iHeartRadio Z100’s Jingle Ball 2023: Olivia Rodrigo, Sabrina Carpenter, more celebrity looks

At iHeartRadio’s Z100 Jingle Ball 2023 at Madison Square Garden on Dec. 8, celebrities including Martha Stewart, Bethenny Frankel and Melissa Gorga enjoyed performances from Olivia Rodrigo, Sabrina Carpenter and Cher, to name but a few. Ahead, see what everyone wore for the year’s most festive music spectacular.