Bey and her mini-me Blue Ivy Carter got all dressed up and headed to MiMi's 'All I Want For Christmas Is You' concert in New York on Sunday.

Mariah Carey and Nick Cannon have finally revealed the names of their newborn twins: Their son’s name is Moroccan Scott Cannon and daughter is Monroe Cannon! Interesting to say the least! Take a look at the announcement on Mariah’s official Twitter account: Nick & Mariah Renew Their Vows Mariah Carey Gives Birth To Twins