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'The Real Housewives of Orange County'
(10PM, Bravo)
Hope the ladies get their manicures on before heading to Las Vegas in tonight's episode, because what happens in Vegas is going to have some of the cattier 'Housewives' baring their claws.

As has been the theme on several occasions this season, it's Lynne and Gretchen versus Tamra and icky Vicki, when the veterans get annoyed by how enthusiastically newbies Lynne and Gretchen are shakin' their groove thangs on the dance floor.

Meanwhile, the only thing Vicki is doing enthusiastically is dissing Lynne and her petite bod, which seems to be sparked a lot more by a certain green-eyed monster than, as Vicki insists, Lynne's obsession with looking young.

'Scrubs'
(9PM and 9:30PM, ABC)
Tonight's episode is brought to you by the letter 'C,' as J.D. employs the help of some friendly neighborhood Muppets to try to teach his interns how to be compassionate with their patients.

Unfortunately, as sweet and furry as guest stars Elmo, Grover and trash can-dwellin' Oscar may be, it's not easy getting through to J.D.'s knuckleheads.

And, in the 9:30 episode, we may finally see a development that we've been expecting since the series first hit the airwaves on that other network: Dr. Cox considers taking on Dr. Kelso's old job as Sacred Heart Chief of Medicine.

'31st Annual Kennedy Center Honors'
(9PM, CBS)
Controversial New York Senate contender Caroline Kennedy hosts. Barbra Streisand, Morgan Freeman, George Jones, Twyla Tharp, Pete Townsend and Roger Daltrey are being feted.

And performances include Beyonce crooning 'The Way We Were' to Streisand, Denzel Washington and Clint Eastwood paying tribute to their pal Freeman, Garth Brooks rocking out to Jones tunes and Matchbox 20 singer Rob Thomas singing the Who's 'Baba O'Riley.'

But we're betting that you, like us, are going to tune in just to get a glimpse of Babs planting a smooch on her political enemy, President Dubya Bush.

'10th Annual A Home for the Holidays With Faith Hill'
(8PM, CBS)
It's the 10th anniversary of this heartwarming annual special, in which celebs show up and perform to help celebrate stories about foster care adoption.

Faith Hill hosts, her hubby Tim McGraw performs, and celebs like Melissa Etheridge, Gavin Rossdale, and Jamie Foxx introduce the real stars of the show, families who've made foster children a permanent part of their lives.

One family includes a man who, after spending his whole childhood in foster care, decided, with his wife, to adopt a foster child of his own. The special also includes a where-are-they-now segment with foster children featured in years past, as well as kids currently hoping to find an adoptive family.

'A Double Shot at Love'
(10PM, MTV) series premiere
The full title of the show is actually 'A Double Shot at Love with the Ikky Twins,' as hostess and former 'A Shot at Love' star Tila Tequila introduces Rikki and Vikky, the twin sibs who'll be looking for bisexual love on the MTV spin-off series.

The basic premise is the same -- the Ikky girls will have a pool of 24 contestants (12 men, 12 women) from which to choose, in a format that's part 'Shot at Love' and part 'Real Chance of Love.'

All 24 will move into a mansion with the sisters, where they'll engage in the sort of love search reality show behaviors that are likely to give that 'Ikky Twins' title a double meaning.