Casper Smart and Jennifer Lopez leaving Hakkasan restaurant in London

Johan Samuel, Heidi Klum and Leni Samuel at the Page Museum, Los Angeles

Olivia Palermo and Johannes Huebl were at brunch at San Ambroeus in the West Village, New York

Jordin Sparks arm-in-arm with her boyfriend Jason Derulo as they leave The Grove, Los Angeles

Tulisa Contostavlos leaving Aura nightclub in London

Rose McGowan and Davey Detail at The Grove, Los Angeles

Alexandra Burke leaving Hakkasan London

Aston Merrygold and Marvin Humes of JLS leaving Aura nightclub in London

Louis Walsh arrives at C restaurant in London