See The Ultimate Surprise The Backstreet Boys Gifted Andy Cohen And His Son 

The Backstreet Boys Sing Andy Cohen\'s Baby a Lullaby

The WWHL host and his (future) son got a special surprise from BSB.

Andy Cohen to officially become a daddy. And with only a little bit of time before the

Watch What Happens Live with Andy Cohen

host welcomes his son into the world, the Backstreet Boys found the perfect way to honor Andy with a gift only they could provide.

and when they did, they decided to put their talents to good use, get those harmonies tight, and sing Baby Cohen a little lullaby, or as AJ McLean put it, "a very special treat just for your future baby boy, so this is from us to you." Their pick? "Twinkle, Twinkle Little Star." (Press play on the exclusive clip above to check out all the magical goodness of their sweet take on the timeless tune.)

There Are Some Interesting Real Housewives-Related Theories About Andy Cohen's Baby

And there must be something shining bright about Andy\'s son because everywhere the

host goes, the theme seems to be star-related. Between that lullaby pick from the guys, and his recent

-themed baby shower, the "it" factor clearly runs in the Cohen DNA — not that we\'re surprised.

Check out BSB singing Andy and his son a lullaby above (it\'s truly beautiful), and make sure you check out all the highlights from Andy\'s baby shower, below.

Go Inside Andy Cohen\'s Wild Baby Shower

The Real Housewives gathered to celebrate the WWHL host before he welcomes his son and it got crazy.

Here Are All the Real Housewives and BFFs Who Showed up to Andy Cohen's Over-the-Top Baby Shower

Here's How Andy Cohen's Dog Wacha Reacted to His Baby News

Watch What Happens Live with Andy CohenAndy Cohen Exclusive Babies

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