Stefani shows off her 2-month-old son during a visit to a Beverly Hills library. Plus: David Beckham, Beyoncé, Jessica Simpson and more

  • 'MAC' DADDY photo | Justin Long, Penn Badgley

Credit: Humberto Carreno/Startraks

Published: Wednesday Oct 29, 2008 | 04:30 PM EDT

'MAC' DADDY

Justin Long – a.k.a., the "Mac Guy" – makes a new friend in Gossip Girl star Penn Badgley Tuesday at a New York bash for the new Audi A4 car.