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"Mariah Carey and her husband Nick Cannon welcomed  their twin son and daughter on Saturday -- their fourth wedding  anniversary! -- at an L.A. hospital at 12:07 p.m., her rep confirms to Us Weekly.\r\nPHOTOS: Stars who got pregnant after 40 \r\nAccording to Berger, the baby girl was born first, weighing 5 pounds,  3 ounces, measuring 18 inches long; her brother followed, weighing 5  pounds 6 ounces, and was 19 inches.Carey and Cannon, 30, have  not yet named their kids. Cannon rushed his wife to the hospital in  their Rolls-Royce Phantom; the Grammy-winning singer was calm, assuming  it was another false labor incident. When they arrived, Berger told the  Associated Press, the first-time Dad was so nervous that he went to the  wrong unit in the hospital, and had to be guided to the maternity ward  by a nurse.\r\nPHOTOS: Mariah &amp;amp; Nick&amp;apos;s love story\r\n&amp;quot;It was right out of an I Love Lucy skit,&amp;quot; Berger said.&amp;#xA0; The  couple had musical accompaniment as Carey delivered their kids: &amp;quot;We  Belong Together,&amp;quot; Carey&amp;apos;s smash #1 single from 2006.\r\nThe twins&amp;apos; birth was a long time coming for the couple, who took a March 27 trip to the hospital when Carey started experiencing contractions.\r\n&amp;quot;The thing with twins is that you want them in their natural incubator as long as possible,&amp;quot; Cannon, 30, told the Los Angeles Times after the hospital visit. &amp;quot;They might be ready to come out, but we need them to stay in for a while.&amp;quot;\r\nPHOTOS: Other pregnant stars\r\nPrior to his twins&amp;apos; arrival, Cannon was nervous about how he&amp;apos;d do in the delivery room.\r\n&amp;quot;I am probably going to faint in the delivery room! I need to man up!&amp;quot; the America&amp;apos;s Got Talent and radio host tweeted.  &amp;quot;Or maybe I should say WOMAN UP since they are the ones that have to be  the strongest in the whole ordeal! I am in awe of my wife!&amp;quot;\r\nCannon confirmed in December that his wife was carrying twins (They first broke the news to President Barack Obama and First Lady Michelle Obama at a holiday event in Washington, D.C.)\r\nPHOTOS: Stars who slimmed down after twins \r\nThe first-time parents opened up to Us Weekly in  November about their struggle to conceive following a heartbreaking  miscarriage. &amp;quot;We definitely cried&amp;quot; upon learning of her successful  pregnancy, Cannon told Us. &amp;quot;We still cry all the time. It&amp;apos;s an emotional journey.&amp;quot;"^^<http://www.w3.org/2001/XMLSchema#string>
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