Off-Duty Hollywood!

From soaking up the sun to grocery shopping, see how the stars – Gwen Stefani! Rihanna! Josh & Fergie! – take time off from the set and stage

GOING ON VACATION

Gwen Stefani and hubby Gavin Rossdale escape the winter chill – and show off an impressive set of matching six-pack abs! – while vacationing with sons Kingston, 3, and Zuma, 1, (not pictured) on St. Barts recently.