Chrissy Teigen let it slip that she’s had more than one nip-and-tuck performed on her breasts. During a recent appearance on “Watch What Happens Live with Andy Cohen,” the TV personality and bestselling cookbook author accidentally revealed that she’s undergone three surgeries. In a segment titled “The Lies Have It” — in which guests tell each other as many lies as possible within a 30-second window — Teigen said, “I’ve had my boobs done three times,” before realizing she was confused about the purpose of the game. The mom of four, who’s married to EGOT winner John Legend, immediately confesse…