"Bodak Yellow" rapper Cardi B has skyrocketed to the top of the music world. But when it comes to walking down the aisle with fiancé Offset of the hip-hop trio Migos, the pregnant star is moving at a much slower pace.

"Cardi and Offset were planning to get married before the baby was born," an insider says, "but Cardi’s decided it’s best to wait until after." Cardi, 25, and Offset, 26, who got engaged in October, made the decision to delay the wedding because Cardi wants to look her best.

"Her belly is getting huge, and she wants to look sexy on her big day," the insider says. "In her own words, she doesn’t want to look like 'a stuffed turkey in a wedding dress.'"

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Her wedding isn't the only sacrifice Cardi will be making during her pregnancy. Earlier this month, the Invasion of Privacy artist revealed that she'll be canceling her summer tour. "Shawty keep growin'," the mom-to-be said in the video. "I be looking like I be moving and everything but in reality, a b—h barely can breathe!"

With the baby slated to be due in July, Cardi plans to be performance ready for the upcoming "24k Magic Tour" with Bruno Mars this September. Even if she isn't, we're sure that fans will understand — a Cardi Baby is the most important thing right now!