Gwen Stefani's little guy sets the gold standard in airport arrivals. Plus: Tom & Katie, Britney Spears and more

S.W.A.K.

Britney Spears got a fresh start on Saturday, reuniting with her kids – and sporting plumper lips, as she and the boys drove to a Starbucks in L.A. As for her lips, a source close to Spears tells PEOPLE that Britney "enhanced them a tad."