Selena Gomez Feels 'Insecure All the Time' About Her Body Selena Gomez appears in a new campaign video for her latest activewear collection, 'Strong Girl.' Gomez spoke about body image and her insecurities in an interview posted by Elle on Wednesday. "I get really insecure sometimes, I go through weird ups and downs, but in general I just want people to wear what they feel comfortable in." Selena Gomez, via Elle "I want to encourage women. I really would love to use my platform for good, and along the way have so much fun with movies and the music." Selena Gomez, via Elle "When I first started working with PUMA, from the get go they understood what my message was, which is to bring out the best in a girl – make them feel strong, powerful and confident." Selena Gomez, via PUMA Instagram video "It's something where I feel like I can connect with them through music, through film, and now I get to do it with this amazing collection." Selena Gomez, via PUMA Instagram video The SGxPUMA Collection will be available on Dec. 12 at PUMA.com and select retailers.