Whether Nicki Minaj was serious or simply joking about her boyfriend and guest performer Meek Mill, as he joined her onstage for their song "Big Daddy" on Saturday, the rap star ignited pregnancy rumors when she told the crowd, "Make some noise for my baby father!"

Fans attending this First Niagara Pavilion show in Burgettstown, Pennsylvania, part of Minaj's The Pinkprint tour, immediately began sharing video and comments on social media, and speculating whether Minaj, 32, indeed is expecting.

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After one fan posted a 10-second video of Minaj onstage uttering those words, Minaj retweeted it with eight "face with tears of joy" emojis. Sunday she retweeted a different fan's congratulations, giving 13 of those emojis -- though as yet another fan tweeted in wary response, "I'm waiting on a DIRECT answer . . . These emojis not cutting it for me!"

This would not be the first time pregnancy talk swirled around her. In a radio interview on July 6, Mill, 28, born Robert Williams, said, "Nicki ain't pregnant," adding, "But yeah, I wish ... I already tweeted that five years ago, so it should be happening later. Sooner or later, when we ready for that."

Minaj responded on Twitter to that, writing, "No matter wut he, or anyone else says, Onika Tanya Maraj [her real name] won't b pushing anyone1 out [of] her . . . until she's married. Now check that."

Minaj made her specific feelings known in the December 2014 / January 2015 issue of Complex magazine, saying, "I definitely will be married before I have my baby. I want to make sure I do it in that order. I've always felt like that since I was young; my mother always put that in my head."