Stepping out for a promotional gig, Mischa Barton was spotted in Barcelona, Spain on Monday (May 17).

The paparazzi caught up with the former “O.C.” actress as she was sporting a gorgeous wedding dress by Rosa Clara that will be presented sometime this week during Barcelona’s Bridal Week.

Famous people love a good party, and last night (May 4) Charlotte Ronson and JCPenny hosted the Spring Cocktail Jam in Los Angeles.

“90210” hotties Shenae Grimes and Jessica Lowndes turned up at Milk Studios to check out all the action, both sporting black ensembles.

Drawing out quite the impressive crowd, the stars were out in full force for the second day of the annual Coachella Music and Arts Festival in Indio, California on Saturday (April 17).

Joining in of the fun-filled festivities were beauties such as Hayden Panettiere, Katy Perry, Paris and Nicky Hilton, Whitney Port, Mischa Barton, Camilla Belle, Rosie Huntington-Whiteley, Beyonce Knowles, Alessandra Ambrosio, Kristin Cavallari, Kate Bosworth, Lauren Bosworth, Peaches Gedolf, Dita Von Teese, Bridget Marquardt, Shannon Elizabeth and Kelly Osbourne.