WEEK AHEAD: Jen & Marc's Grammy Duet

Jennifer Lopez and Marc Anthony take their husband-and-wife act to the Grammys on Sunday. PEOPLE takes a look at the night’s other big-name pairings, plus other events to watch for in the coming week:

SUNDAY, FEB. 13: Fresh from unveiling her Sweetface collection at New York’s Fashion Week, Jennifer Lopez and Marc Anthony will perform for the first time as a married couple, with a duet of their song “Escapemonos” (from his Grammy-nominated album Amar Sin Mentiras, up for best Latin pop album) at the 47th annual Grammy Awards, broadcast live from L.A.’s Staples Center at 8 p.m. ET on CBS. They’re not the only high-profile pairing scheduled for music’s big night: Other big-name collaborations will include Alicia Keys singing with Grammy and Oscar nominee Jamie Foxx, Usher with James Brown, and an all-star performance of the Beatles’ “Across the Universe” (featuring Bono, Stevie Wonder, Norah Jones and others) in honor of the tsunami relief efforts. Queen Latifah (who’ll also perform a song from The Dana Owens Album) takes center stage as the evening’s host.

MONDAY, FEB. 14: He’s already got Oscar-nominated actor and screenwriter on his resume – and now Sylvester Stallone is adding magazine editor to his list of accomplishments. The magazine, appropriately named Sly, will make its debut with the motto, “Stay in the Game Past 40,” a little something the man at the helm knows about. Besides exercise and health features, the publication’s debut issue features Sly’s interview with porn queen Jenna Jameson on how to become a knockout in the bedroom. Just in time for Valentine’s Day.

TUESDAY, FEB. 15: Tough-talking TV therapist Dr. Phil will try his hand at becoming a romance guru with A Dr. Phil Primetime Special: Romance Rescue, (9 p.m. ET, CBS). The Amazing Race‘s famously bickering duo Jonathan Baker and Victoria Fuller are among the relationship-challenged individuals he’ll try to help: In previews for the show, Dr. Phil taunts Baker – who became the Race‘s instant villain by constantly berating his wife during their worldwide trek – by asking him, “Are you saying that you’re the victim here, that she provoked you?” Ah, sweet love.

WEDNESDAY, FEB. 16: Bring on the critics. With her acid-reflux disease supposedly under control, Ashlee Simpson will strike out on her first solo tour, which opens in Anaheim, Calif. The 37-date romp is “really stripped down,” Jessica’s little sis recently told the Orange County Register. “There’s no pyro(technics) or anything like that. The thing about my tour is it’s going to be me and my band getting out there and having fun.” And, for her detractors’ sake, she’ll hopefully be singing live. The tour wraps up April 20 in her home state, in Grand Prairie, Texas.

THURSDAY, FEB. 17: The 10th season of Survivor will feature yet another island you’ve never heard of (this one is Palau, in the South Pacific) and 20 castaways (which includes three lawyers) ready to get down and dirty in their quest to win $1 million. Among the contestants vying for the big bucks: Angie Jakusz, a 24-year-old tattooed bartender from New Orleans; Willard Smith, a 57-year-old lawyer and former Marine from Bellevue, Wash.,; and Janu Tornell, 39, a Las Vegas showgirl. Among this season’s twists: Players won’t know at first whether they’re going to be separated into teams, and three castaways will be sent home in the first episode.