Star Tracks

Arnett and Applegate share a laugh at a Beverly Hills event. Plus: Beyoncé & Jay-Z, Christina Hendricks, Justin Timberlake, Longoria promotes the series finale of Desperate Housewives in N.Y.C. Plus: Nicole & Joel, Channing Tatum, Zoë Saldana and more.

SHOULDERING ON

Eva Longoria says so long after stopping by the Late Show with David Letterman Wednesday in New York, where she promoted the series finale of Desperate Housewives.

Amid reports of a split with boyfriend of two years Nick Loeb, Sofia Vergara remains in good spirits as she leaves N.Y.C.’s Plaza Hotel on Wednesday.

Jessica Alba stays prim and polished – and dry! – with the help of a fedora Wednesday while braving New York’s wet weather.

Spring style is in full force! Eva Mendes dons a vibrant floral frock – topped off with a pair of colorful shades – Wednesday morning in N.Y.C., where she promoted her latest film, Girl in Progress, on the Today show.

Up All Night costars Christina Applegate and Will Arnett share a hearty chuckle as they arrive for The Paley Center Media’s “An Evening with Up All Night” presentation Tuesday in Beverly Hills.

Jay-Z admires PEOPLE’s 2012 World’s Most Beautiful Woman, Beyoncé, at a New York party for the release of author Erica Reid’s The Thriving Child on Tuesday – just one day after his wife made a splash at the Met Gala.

Work it! Tyra Banks gives us all a master class in smizing at Tuesday night’s 2012 Moth Ball, held at N.Y.C.’s Capitale, where the model-mogul celebrated heavyweights in storytelling.