Megan Fox and Brian Austin Green spent last weekend together in Las Vegas. Sources at Radaronline.com say the two ate Mexican and watched the Mystere by Cirque du Soleil show at Treasure Island. Guess that break-up didn’t stick!

“They were calling each other baby, he had his arm around her, and they were holding hands,” an onlooker said. “At one point she put on chapstick but had some leftover so she put the extra on his lips.”