Rumors are circulating that Katy Perry purportedly wants to have a baby with John Mayer.

The 30-year-old "Roar" singer has allegedly had enough adventures in her single life is purportedly looking forward to settling down and having a baby of her own.

"She wants to build out that dream life of having a nice house, a great hubby, and kids running around everywhere," a source reportedly told Naughty Gossip. "She's hit that stage of her career where she can start to consider this without it slowing her down."

Another source close to Katy Perry also confirmed that the "California Girls" singer wants to get pregnant sometime soon.

"She has baby fever, bad!" an insider reportedly told Life & Style Magazine. "She's about to turn 31 and feels that her clock is ticking."

Katy Perry has even allegedly planned when she would want to get pregnant with her and John Mayer's baby.

"She wants to try right after her Prismatic World Tour ends in October. She thinks John would make a wonderful father," the insider adds.

Amid Katy Perry planning to have a baby, is her boyfriend John Mayer on the same page as she is when it comes to bringing a baby into this world? Not really, according to Life & Style mag. In fact, John Mayer purportedly needs a lot more convincing before he goes on board with Katy Perry's plans of starting a family.

Some speculate that Katy Perry convincing John Mayer to have a baby could spark up new rivalry between the "Last Friday Night" singer and her alleged mortal enemy, Taylor Swift, who also used to date the "Your Body Is A Wonderland" artist.

"Can you imagine how furious Taylor Swift will be if Katy Perry gets a wedding and a baby before she does?" Celeb Dirty Laundry speculated. "After all, it has basically been Taylor's sole ambition in life to get married and have a cookie-cutter family. Poor Calvin Harris, he is going to get dragged down the aisle faster than he can say 'I Do' if Katy Perry does wind up getting pregnant or setting a wedding date."