News ET News Quiz: Do You Know This Week's Big Stories? By ETonline Staff 7:27 AM PDT, August 31, 2018 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:RELATED CONTENT:Ariana Grande Gets Huge Tattoo of Anime Character'Teen Mom 2' Star Chelsea Houska Welcomes Baby No. 3 on Her 27th BirthdayHow Mel B's 'America's Got Talent' Co-Stars Are Supporting Her Ahead Of Rehab (Exclusive)Abby Huntsman Named Co-Host of 'The View'