JoJo Siwa rocks purple hoodie and sweatpants while walking to her custom car decorated with her face

Sienna Miller looks cozy in hoodie and sweatpants while out with boyfriend Oli Green in NYC

Alicia Silverstone cuts a casual figure in hoodie and leggings while enjoying a hike

Lauren Goodger cuts a laidback figure in a grey hoodie and jogging bottoms in Brentwood