Spears doesn't break a sweat heading to a West Hollywood gym. Plus: Halle Berry, Kate & Owen and more

3 of 15

DIAMOND LIFE

Beyoncé makes a sparkling entrance at the Datch Forum di Assago in Milan on Thursday, where she performed for a crowd that included designer Giorgio Armani. The singer-actress was recently chosen to be the face of the designer's new fragrance, Emporio Armani Diamonds.