'Glee' Airs Britney Spears Episode -- Watch It Here!Welp, it finally happened -- Britney Spears on 'Glee'! We could round up the opinions (some loved it, some hated it), we could fill you in on what we thought, but why not let you decide? See all 43 minutes right here on PopEater.

The episode, cleverly titled 'Britney/Brittany,' featured hits across the 28-year-old Spears' career, including 'Toxic,' 'Me Against the Music,' 'I'm a Slave 4 U,' 'Stronger' and breakout single '...Baby One More Time.'

Enjoy the full Britney Spears episode below: