The best send off ever!!! Thanks G.A.Y. ..sad that it's my last show for a while but I don't wanna give birth on stage. Lol. Love you all xx— Rochelle Humes (@RochelleTheSats) March 24, 2013
Justin Bieber also performed at the Unipol Arena in Italy. The heartthrob picked up the 'Favourite Male Singer' gong at the Nickelodeon Kids' Choice Awards last night, although he was not present to collect his trophy.
In the US, Jordin Sparks and Jason Derulo attended Perez Hilton's pyjama-themed birthday party, Jennifer Lopez performed at Muhammad Ali's Celebrity Fight Night in a glittering bodysuit and Kiefer Sutherland dined at Mr Chow Restaurant in Beverly Hills.
Elsewhere, Pixie Lott enjoyed a night at The Rose Club with her brother, Britney Spears had dinner at Meatball Spot at Town Square and Emeli Sandé performed at Amsterdam's Paradiso.
See all of this weekend's pictures in our gallery below: