Congratulations to Mariah Carey & Nick Cannon! Radar Online confirms that Mariah gave birth to twins, a boy and a girl at 9:07 am PDT Saturday in Los Angeles.

It's a double congratulations to the happy couple as they celebrate their 3rd wedding anniversary today.

Reports indicate: Baby girl came first, their rep says. She arrived weighing in at 5 lbs., 3 oz. and 18 inches long. Her brother is a strapping 5 lbs., 6 oz. and 19 inches.

New dad Nick Cannon has already taken to Twitter to share the news:

"My wife just gave me the most incredible anniversary gift ever in life!" "I won't ever be able to top this!"

We are so happy for them both!