Mariah Carey & Nick Cannon Host Formal Parisian Party for Twins’ Birthday (PHOTO)

Nick & Mariah's Twins!
The twins make their TV debut.
Mariah's Post-Baby Bod
How did Mariah lose the baby weight?
This family’s mantra has to be, “Go big or go home!”

At just one year old, Monroe and Moroccan already look ready for prom season! The twins (whose parents affectionately call Roc and Roe) joined Mariah Carey and Nick Cannon for a swanky soiree that included gowns and suits, all matching of course. The pop music diva, 42, and the America’s Got Talent host, 31, invited a few of their close friends to celebrate “dem babies'” birthday on April 29 at the Plaza Athenee in Paris, France.

The French-themed wouldn’t be complete without the right trimmings!

Showbiz 411 reports that the party featured a lovely array of “pastries, balloons, toys and confetti.” Though the twins looked as adorable as ever, their mother was also show-stopper in her nude-colored J. Mendel gown that complimented her husband’s cream-colored suit perfectly.

While in Paris, the couple also celebrated their wedding anniversary. The two renewed their vows at the Eiffel Tower after dining at the beautiful Jules Verne restaurant.

For more details, check out the video:

Nick and Mariah wed in the Bahamas in 2008, and welcomed their twins in April 2011. Leave the Carey-Cannon brood a few congratulatory messages below.