Jessie J's Domino topples Flo Rida
Jessie J's single Domino has toppled Flo Rida from the top of the UK singles chart in its debut week.
The US rapper enjoyed just one week at number one with his track Good Feeling.
Brighton hip hop duo Rizzle Kicks moved up two places to number three with Mama Do the Hump, while Swedish DJ Avicii stayed firm at number four with Levels.
US R&B artist Lloyd climbed five places to fifth spot with Dedication To My Ex (Miss That). The track features Andre 3000 and Lil Wayne.
Bruno Mars's debut album, Doo-Wops and Hooligans, took the top spot on the album chart, knocking Adele into second place.
That pushed Ed Sheeran's debut, titled +, into third position.
The singer-songwriter is leading the charge at this year's Brit Awards, with four nominations.
The 20-year-old is up for best male, breakthrough act, best single for The A Team, and best album.
Jessie J is up for three awards - best female, breakthrough act and best single for her hit Price Tag.
The only new entry on the album chart was from indie band Maccabees - Given to the Wild went straight in at four.