Pop your confetti, pop your Pérignon, it's Katy Perry's birthday! Our latest #HowIGetItDone guest hardly needs an introduction. Ever since her debut single, “I Kissed a Girl,” reached the No. 1 Billboard spot in 2008, Katy Perry has been churning out huge pop hits. In honor of her 38th birthday today, we caught up with the pop superstar to talk about her Vegas residency, her transcendental meditation work, and being a mom. Head to the link in bio to see how she gets it done.