that of course is the name of her new vegas residency and that kicks ciseum at caesar's palace.sin city residency. here's a look at the other stars joining them on the strip. >> what is the song that everyone loses their mind every night? >> you know, obviously when we do everybody back street's back. it's one the biggest song because it's the last song in the show. ♪ >> quit playing games. ♪ quit playing games with my heart ♪ >> no games here. back street is back july 25th at planet hollywood, the same theater as lionel richie, who resumes his residency in mid-august. >> every deejay wants to be here. every singer wants to be here. it's the hang place. >> oh, yes, you can hang vegas style and get the bruno mars continues his residency. that's before he kicks off the final leg of his "24k magic" tour with special guest cardi b. ♪ we love us some cardi b, but when it comes to vegas, all hail the queen. ♪ my heart will go on >> celine is coming back to the trip. right now she's touring in asia. >> i had a little issue. >> that was celine in may returning to the vegas stage after u