ET News Quiz: Do You Know This Week's Big Stories?

Ariana Grande
Michael Kovac/AMA2016/Getty Images for FIAT

Which Teen Mom 2 star just gave birth to another baby girl?

And what's the latest celebrity rehab news?

If you've been paying attention to the latest pop culture news from ET this week, you totally know the answers. But can you ace our celebrity news quiz? Find out now!

We'll start with an easy one:


Ariana Grande Gets Huge Tattoo of Anime Character

'Teen Mom 2' Star Chelsea Houska Welcomes Baby No. 3 on Her 27th Birthday

How Mel B's 'America's Got Talent' Co-Stars Are Supporting Her Ahead Of Rehab (Exclusive)

Abby Huntsman Named Co-Host of 'The View'