Lady Gaga's Frozen Weave and Taylor Swift's Girls Night Out: Top 12 Instagram Photos of the Week
Lady Gaga takes a plunge for charity and Alicia Keys introduces her newborn son in some of this week's best celebrity Instagram posts.
Shocking reveals and a star-studded girls night out make up this week's best-of-Instagram roundup.
See how Jared Leto, Taylor Swift and more celebrities spent their week in these photo highlights:
Jaime King names Taylor Swift godmother of her unborn second child.
Jared Leto debuts his new platinum-blond hair.
Lady Gaga takes on Chicago's polar plunge for charity.
Lena Dunham and Kerry Washington share a moment on the set of Scandal.
Tayor Swift, Selena Gomez, Hailee Steinfeld, Jaime King, the Haim sisters, Sarah Hyland and Hayley Williams celebrate Fifth Harmony member Camila Cabello's 18th birthday.
Alicia Keys and Swizz Beatz unveil a family photo with their 2-month-old son.
Britney Spears and Steven Tyler reunite at Spears' Las Vegas concert.
Katy Perry takes a selfie in Munich, Germany.
Empire's Taraji P. Henson and Jussie Smollett get a call from Terrence Howard.
Reese Witherspoon has a Forrest Gump moment.
Marlon Wayans snaps a photo with Joe Jonas, Ciara and the rest of the cast of NBC's new show I Can Do That!
Ansel Elgort spots his movie poster on the subway.