Safety. Artistry. Integrity.
Exceptional
Aesthetic & Cosmetic treatments
With a customized and natural-looking enhancement, Simply Bella offers every client the treatment they desire and deserve. With our help, you will become the most confident version of yourself, without feeling pressured, and will leave feeling satisfied and confident. Your face and skin are a reflection of the quality of our work and ethics.
Kristen Herina, APRN, FNP-C, MSN
Founder & experienced nurse practitioner-injector
With more than 15 years combined experience in the fields of nursing and advanced practice nursing, I am both a Family Nurse Practitioner and Aesthetic Nurse Injector. While practicing as a family nurse practitioner, I longed for a work environment that promoted positivity and creativity. I discovered the incredibly unique field of aesthetic nursing. A career that combines my desire to do what I love—learning and discovering new things—with my clinical judgment. Perfect Fit!
Through my advanced knowledge, I am able to create more comprehensive cosmetic plans. This allows the safety and artistry of aesthetics to be upheld.
My practices and skills are guided by integrity and honesty. As Simply Bella has grown over the past several years, we have added a number of nurse practitioners who are committed to the same values and follow the same principles. Our goal is to instill confidence in men and women so they can look and feel their very best.
xo - Kristen
Simply Bella Aesthetics was created with the desire to help men and women feel amazing on the inside and out.
Meet our team of Nurse Practitioners and Nurses
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Brianna
Brianna Gabbard, RN, BSN
My name is Bri and I have been and worked as a Paramedic in a prehospital emergency setting for about 14 years. I also spent 3.5 year working as an emergency room nurse. I currently have my bachelor’s degree in nursing. After a journey of healing when my son suffered a life-threatening medical emergency, it resulted in some priority changes and reflection into life. I personally found a lot of healing in the self-care process and worked to become a nurse injector. I have loved giving men and women the opportunity to feel better about themselves. I want to encourage people through their own healing journeys and self-care; however, they may look. I have worked extremely hard in life and try to become the best I can be in whatever arena of care I am providing, to give optimal and excellent results. Others would say I am relatable and real. I am a fun-loving person full of compassion and encouragement. In my spare time, I enjoy spending time with my family doing anything outdoors. Overall, I have a love for life and want others to feel great about themselves. I would love to be a part of your journey with you.
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Kayla
Kayla Tiller, Nurse Practitioner, APRN, FNP-C
I am a Family Nurse Practitioner with 10-year experience in the field of nursing. For me nursing has always been about helping others, educating them, and wanting them to know I am their voice and will always advocate for them. Kristen introduced me to the field of aesthetics which has not only given me ability to incorporate my values, but she also enjoys the artistry aspect as well as the individualized treatment plans. Being able to give her clients the confidence and glow from the inside and out, is important to me the core values: safety, artistry, and integrity of Simply Bella is another reason she wanted to join the incredible and knowledgeable team. Integrating her knowledge, creativity, and clinical judgment into the patient’s treatment plan will allow her to individualize the care she provides. The aesthetic nursing field is a passion of hers and working with an amazing and truly caring team is a dream come true.
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Paige
Paige Callahan
Aesthetician, laser specialist
Paige Callahan joined Simply Bella Aesthetics in August of 2023. She attended and graduated from Crave Beauty Academy for Esthetics in 2020. Then later advancing her knowledge at the National Laser Institute. Paige specializes in skin care, laser hair removal, IPL (photo facials) microneedling, tattoo removal, and various other laser treatments. She has dedicated her career to understanding, laser technology, the importance of safety, and the application of appropriate skin care assessment, and treatments.
Outside of work, Paige loves traveling, relaxing, and spending time with her husband, and two young sons.
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Tiffany
Tiffany Mueller, RN, BSN
Experienced nurse for over 7 years. I started out as a surgical nurse but quickly became multi-faceted while working on multiple units throughout the hospital. More recently, I am in surgical services at Barnes Saint Peters hospital and assist the doctors in many of our endoscopic procedures. I love the hands-on aspect of my job and the fact that I still have the opportunity to get to know my patients and talk with them about what’s going on.
By combining my business and nursing degree my hope is to cultivate a truly warm experience for my patients. I want to build a relationship with you, while also helping you achieve your aesthetic goals in the safest way possible. I am all about enhancing your natural beauty. Keeping it real, keeping you safe, and keeping you on your aesthetic journey to reach your goals.
When I’m not working, I am usually spending time with my husband Chad. We love to travel, spend time with family, hit the gym regularly, train Muay Thai. We co-own a fight promotion company called the Stand-Up Fight Series. My dog Vivianne is an 8-year-old boxer and she pretty much runs the house.
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Bridget
Bridget Dwiggins, RN - Nurse Injector
Bridget is a licensed Registered Nurse with more than 15 years of medical experience in clinical professional and setting. I went into nursing to make an impactful difference on the lives of others, and I strive every day to honor that commitment. I have had the opportunity to dedicate most of my career to working with new and technologies that focus on finding early-state lung cancer, which remains a life threatening and debilitating disease for many across the nation. I have also found a love for aesthetics, and I enjoy watching other light up and build confidence. I find it exciting to see small changes make an impactful difference in people’s lives and she loves that she can help play a in their journey. I joined Simply Bella because I believe in the overall mission of practicing in accordance to safety, artistry and integrity. Simply Bella provides the most up-to-date education and training to their nurses to treat others with the highest level of service that is offered in the industry. This knowledge allows me to constantly build upon my skills and treat patients in the most effective way possible. She looks forward to meeting you and help achieve your desired and deserved look!
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Megan
Megan B., RN, BSN
Meet Megan Bellance. She graduated nursing school with her BSN in 2021. She has been a Pediatric Oncology/ Hematology registered nurse for over two years. Last year, she took a leap of faith and entered the world of aesthetics. She fell in love with helping patients feel as beautiful on the outside as they are on the inside. She continues her passion as a Pediatric Oncology nurse part-time, and she works at Simply Bella as an aesthetic nurse injector for the rest of her time. You will also find her working the front desk, helping! She feels blessed to be involved in your aesthetic journey and looks forward to meeting you all. She enjoys consulting, educating, and getting to know every Simply Bella patient.
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Brittany
Brittany Zangrile, RN, BSN
My name is Brittany and I have been a Labor and Delivery and NICU nurse since graduating with my bachelor's degree in nursing in 2015. Nurse is my passion, and the hospital holds a special place in my heart. I feel so blessed to be a part of the Simply Bella team and practice in accordance to their mission statement: Safety, Artistry, and Integrity. Through hands-on experience, training opportunities and unlimited support, SB is truly the best! I am excited to help patience enhance their natural beauty through aesthetics, and to help them feel their most confident and best self!
When I am not working you can find me spending time with two sweet girls, Eloise and Ryan, and my husband Alex. We love anything outdoors and exploring nature.