From Scott and Sofia's movie date on Valentine's Day, to Kendall Jenner's visit to Philly to watch her 76ers man play ball, here's what some of your favorite stars were up to this week! Oh! And, did we mention Katy Perry and Orlando Bloom got ENGAGED?!

Lady Gaga was ready to party after performing 'Shallow' on the Grammy Awards, where Miley Cyrus dueted with Shawn Mendes! Plus, we cannot stop looking at Katy Perry's new flowery engagement ring, which you can see as a bonus pic below!


View this post on Instagram

full bloom

A post shared by KATY PERRY (@katyperry) on