What's On Tonight: U.S. Open, Big Brother, Tim Gunn's Guide To Style

• At 7, USA has more coverage of The U.S. Open.
• At 8, CBS has a new Big Brother.
• FOX has a new Are You Smarter Than A Fifth Grader at 8, followed by a new Don't Forget The Lyrics.
• TLC has a new American Chopper at 9.
• There's a new Boneyard on Discovery at 9.
• HGTV has a new Divine Design at 9.
• Also at 9: Sci-Fi has a new Who Wants To Be A Superhero?
• At 10, AMC has a new Mad Men.
• Food Network has a new Ace of Cakes at 10.
• Bravo has the series premiere of Tim Gunn's Guide To Style at 10.
• MTV has a new Celebrity Rap Superstar at 10.
• Sundance has a new Live From Abbey Road at 10, with The Killers and Gnarls Barkley.
• At 10:30, VH-1 has a new I Hate My 30s.

Check your local TV listings for more.