Justin Bieber's ex-girlfriend Selena Gomez sings 'Cry Me a River' Selena Gomez poses for photographers during a promotion of her partnership with the Adidas NEO clothing label in Los Angeles on November 20, 2012. NEW YORK, Jan. 21 (UPI) -- Singer-actress Selena Gomez, who broke up with pop star Justin Bieber this month, sang the song "Cry Me a River" at a weekend concert in New York. The couple called it quits after about two years of on-off dating. I've been through a lot the past few months. It's been weird and sad and cool," UsMagazine.com reported Gomez, 20, said at a private benefit concert for UNICEF. This song definitely speaks to me. "Cry Me a River" was a big hit for singer Justin Timberlake in 2002 after his split from longtime girlfriend Britney Spears. UsMagazine.com said Bieber has also sung the song at concerts.