The singer tweeted, "Finally you can add 'helps delivers babies in living rooms' to my resume! It's been a miracle of a day...Auntie Katy aka Stylist Auntie.”
Rumor has it Perry helped welcome her sister Angela Hudson’s little one into the world.
Perry’s baby joy comes on the heels of her reported split from boyfriend John Mayer. So far, she hasn’t commented on the breakup.