OK! Wake Up Call: Miley Cyrus Performs on Kimmel, Kirsten Dunst Joins Instagram and More!

Rise and shine, pop culture fans! Rub your eyes, get to stretchin', and pour yourself a hot cup of coffee because it's time to start your day off right with a little OK! Wake Up Call. It's better than the blaring ring from your alarm clock, right? 

Here are some things to know today:

It's Ariana Grande's birthday today! Leave your wishes for the Nickelodeon star here. (Twitter)

Oh, and it's Jenette McCurdy's birthday, too! Say hello to her on our fave social media site. (Twitter)

Need something to watch tonight? Get details on tonight's season 15 (!!!) premiere of Big Brother. (CBS)

Kirsten Dunst has joined Instagram! We're looking forward to seeing all her cutie couple pics with Garrett Hedlund. (E! Online)

Miley Cyrus performed her new single, "We Can't Stop" on Jimmy Kimmel last night. Any guesses on which special guest she brought on stage? (Just Jared)

Looks like married life is going well for Tina and Tarz of Newlyweds! Peep the adorable pic of their newborn baby boy. (Us Weekly)

After publicaly saying sorry last week, Paula Deen was on Today this morning to apologize even more. And there were tears! (People)

How did Kanye West's album, Yeezus, sell after all that publicity surrounding it? So there's good news and not so good news... (Vulture)

Could Robert Pattinson be getting a major role in 50 Shades of Grey? Wonder what Kristen Stewart would think of this... (Perez Hilton)