AM Daily Buzz: Justin Bieber's back on 'Tonight,' Cate Blanchett cast as a very funny red head and more!

Happy Thursday and welcome to your AM Daily Buzz! Check out some of the hottest news in pop culture right now.

1.) Justin Bieber made an appearance on "The Tonight Show" last night promoting his single "What Do You Mean" where he performed with The Roots, among other things.

2.) Cate Blanchett has been cast as Lucille Ball in an upcoming biopic of the TV legend.

3.) Get ready because the lineup for ABC Family's 13 Nights of Halloween is out and includes the likes of "Harry Potter" and "Batman."

4.) It's back to school for many kids, especially those with famous moms and dads! Check out some great Instagrams from the famous parents themselves.

5.) Avril Lavigne and Chad Kroger have announced their separation after two years of marriage in a touching Instagram post.



6.) Stars are flocking to the U.S. Open this week with the likes of Kelly Ripa, Amanda Seyfried and Josh Groban.

7.) Despite the rumors, a source says that Tom Brady and Gisele Bündchen are not headed for divorce.

8.) Sandra Bullock's boyfriend, Bryan Randall, can't stop gushing about his new leading lady!

9.) Donald Trump has stated that he would love the chance to run against Kanye in the 2020 election.

Check out more pics of Justin Bieber below!

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