Mariah Carey and Nick Cannon
Andrew H. Walker/Getty
05/04/2011 AT 02:00 PM EDT
05/04/2011 AT 12:00 PM EDT
Did you guess correctly?
recently dropped a hint
that her newborn twins' names would each begin with the letter "M." Now, the mystery has been cleared up.
Carey and hubby Nick Cannon's son is named Moroccan Scott Cannon and their daughter is named Monroe Cannon, the couple announced on her official Web site
Scott is both the middle name of Cannon
, 30, and his grandmother's maiden name. Carey and Cannon's daughter did not receive a middle name because the singer herself doesn't have one.
It appears the twins may already have nicknames, as Cannon Tweeted
, "Roc and Roe! Let's go!"
As for the inspiration behind the names, Monroe was named after Marilyn Monroe, who has been an inspiration to Carey, 42, while Moroccan comes from the top-tier of Carey's New York City apartment, which features Moroccan-inspired décor and was also the site of Cannon's marriage proposal.
The couple welcomed their twins
– their first children – on April 30, their third wedding anniversary, in Los Angeles. To mark the special occasion, they also renewed their wedding vows
in the hospital with help from Rev. Al Sharpton.