Gwen makes a cameo appearance as herself in the comedy film 'Zoolander.'

Gwen makes her acting debut in a supporting role as Jean Harlow in Martin Scorsese's 'The Aviator.' Her performance is praised by critics.

Gwen serves as a coach on multiple seasons of 'The Voice' (seasons 7, 9, 12, 17, 19, 22, 24), showcasing her mentorship skills and contributing to the show's success.

Gwen has made numerous guest appearances on television shows, including performing on awards shows, talk shows, and variety shows. She is a frequent guest on shows like 'Saturday Night Live' and 'The Tonight Show Starring Jimmy Fallon.'