Sophia Bush and Austin Nichols visit a friend’s house

Sophia Bush and One Tree Hill co-star (and boyfriend) Austin Nichols visit a friend’s house in West Hollywood on Saturday (November 7).

Last weekend, the couple was spotted at a Halloween masquerade ball in Mafta, Texas as hosted by The Art of Elysium, Gilt Groupe, and Interview Magazine.

Sophia, 27, and Austin, 29, enjoyed performances by Heloise and the Savoir Faire, a DJ set by Elijah Wood, and masks by designers like Catherine Malandrino and Rodarte.

Sophia Bush is Golden Globes Gorgeous

Sophia Bush works out a hip-hugging Peter Soronen dress at at the InStyle/Warner Bros after-party for the 2009 Golden Globe Awards held at the Beverly Hilton Hotel on Sunday (January 11) in Beverly Hills, Calif.

The 26-year-old One Tree Hill starlet finished off her look with a stunning Badgley Mischka necklace, Jennifer Behr headband, Calvin Klein box clutch, and Louboutin shoes.

Other pics include Sophia with Disney star Selena Gomez at the CVS Pharmacy Reinventing Beauty Bar at the Access Hollywood “Stuff You Must” Lounge at Sofitel LA on January 10.

Tags: Sophia Bush, Peter Soronen, Hollywood, Jennifer Behr, Mischka necklace