Nicki Minaj has revealed the gender of her firstborn child. 

Nicki On Thursday, Oct. 15, announced she gave birth to a baby boy. 

This is coming in a post she shared in her Instagram account, the 37-year-old rapper thanked her famous friends for all their support and baby gifts. 

She also disclosed that her baby has the X and one Y chromosome. 

"Thank you to Queen B, Kim & Ye, Riccardo Tisci, Winnie, Karol & everyone who sent well wishes during this time. 

"It meant the world to me. I am so grateful & in love with my son. Madly in love. 

My favorite liddo boy in the whole wide world." 

Recall that, the pop star gave birth to her first child with her husband, Kenneth Petty, on Sept. 30, but has kept the details regarding the delivery in secret. 

The baby's name has yet to be announced. Congratulations are still in order for Nicki Minaj and her husband.