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LAS VEGAS - APRIL 24: Television personality Kourtney Kardashian arrives at the Wet Republic pool at the MGM Grand Hotel/Casino to celebrate her birthday April 24, 2010 in Las Vegas, Nevada. Kardashian turned 31 on April 18. (Photo by Ethan Miller/Getty Images)
See where the stars ended up last night.
• Kourtney Kardashian filmed a bit with sister Kim Kardashian for "Jay Leno" and narrowly escaped a wardrobe malfunction [kourtneykardash]
• "Apprentice" alum Katrina Campins had some April Fool's mischief up her sleeve [katrinacampins]
• Grammy nominated producer Steven "Purpose" Chung played reggae at Bougainvillea's Old Florida Tavern [Miami New Times]