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:

The mathematical equation behind Heather Morris and Glee. (E!)

Plan to be in early this Saturday night. Kristen Wiig is back to her own stomping grounds on SNL. (Refinery29)  

Prince Harry stopped for tea at the White House Tea Party with Michelle Obama yesterday! (People)

There's more talk on who's going to be the Fifty Shades of Grey director. This time it's Joe Wright. (The Hollywood Reporter)

Willow Smith is the latest celeb with a hairstyle switch up, but she didn't go for the typical blonde. (Just Jared)

It's National Clean Your Room Day! So before you get to that, check out these pics of Jillian Michael's home. She just put it on the market! (OK!)

Penn Badgley talks his relationship with Blake Lively and our ears instantly perk up! (Elle)

Ferrari or a Lamborghini? Farrah Abraham seems to like the latter. Looks like she wants a luxourious set of wheels. (Radar) 

First Rachel Zoe and now Jordin Sparks? The singer got bangs! (MSN) 

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