In Munich, Justin Bieber performed on his 'Believe' tour. The singer had to leave a monkey in quarantine after arriving in the country last week without the necessary papers for the animal.
In the US, Katy Perry and Glee star Jane Lynch bumped into each other as they ran errands, Gwen Stefani and husband Gavin Rossdale walked their dog in a Santa Monica park and Jesse Metcalfe and fiancée Cara Santana enjoyed an early morning stroll.
Elsewhere, Michael Barrymore arrived in Dublin at the RTE studios for The Saturday Night Show, Rita Ora hosted a night at TAO Nightclub in Las Vegas and Macaulay Culkin enjoyed a night at the Foire du Trone Fair in Paris.
See all of this weekend's pictures in the gallery below: