BEYONCÉ is an entertainment force of nature, a 16-time Grammy winner, a beauty and style icon – and is now proudest of the title that happens to be her most recent – mommy to little Blue Ivy Carter.

 

“I feel more beautiful than I’ve ever felt because I’ve given birth,” she tells PEOPLE in an exclusive interview. “I have never felt so connected, never felt like I had such a purpose on this earth.”

 

The “Crazy in Love” singer, 30, and her husband of four years, Jay-Z, 42, have gone gaga for Blue, born Jan. 7 in New York City.  “She’s just the cutest thing,” gushes BEYONCÉ, who croons one-of-a-kind tunes to her daughter and professes to “love” changing diapers. So who does her daughter most resemble?

 

“She looks like Blue,” says BEYONCÉ, who is back to her pre-baby weight and gearing up for her first post-baby concerts, Memorial Day weekend at the Revel Atlantic City.  “She’s her own person.”

 

“The best thing about having a daughter is having a true legacy,” she adds. “The word ‘love’ means something completely different now.”

 

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