(Photo by Xavi Torrent/Getty Images for Spotify) Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google Olivia Rodrigo is catching heat over what some fans believe is a fashion faux pas. Critics have called out the pop star, 23, after she wore a babydoll dress and bloomers underneath during her performance at Spotify's Billions Club Live on May 8. "She is wearing pink dresses that are similar to what toddlers wear with frilly underwear beneath it," wrote one X user in response to her outfit at the Barcelona event.