Jennifer Grey is set to have the time of her life once more in the sequel to 1987’s “Dirty Dancing.”Lionsgate held a presentation at Cinemacon in Las Vegas yesterday where they announced the new flick alongside old clips from the romance drama.“Jennifer Grey returns to Kellerman’s in the next chapter,” a voiceover said. Kellerman’s was the Catskills resort where Grey’s character Frances “Baby” Houseman and her family vacationed when she met and ultimately fell in love with dancing and Patrick Swayze’s Johnny Castle.