British fitness influencer Stefanie Williams, aka Stef Fit, has teamed up with PUMA to release a new range of activewear, including crop tops, joggers and shorts, available exclusively on ASOS.

Williams announced the news on social media, posting 'MY COLLECTION IS LIVE 🚀 ✨✨ shop via @asos 🤩😎 I cannot believe this the day has come, an actual dream come true ✨ I really hope you all can see how much attention to detail and time I put into designing this collection 🥺🧡 I wanted something for everyone & really feel like I’ve achieved that ✨& I can’t believe my FIRST ever collection is with the PUMA family'.