From Ed Sheeran to Christina Aguilera, some of our favorite celebs helped make a difference by giving back in 2015.
Consider this your all-around recap of the 2015 splits that tore our hearts in two.
Despite their recent separation as husband and wife, Avril Lavigne and Chad Kroeger are still making music together.
Between Lady Gaga and Nicki Minaj, these celebs' green dye-jobs will leave you totally envious.
'Just reach up, don't give up until you've touch the sky,' the singer captioned an Instagram photo.
With all the couples that bit the dust this year, this is a recap of the relationships that fell apart in 2015.
Demi Lovato, Avril Lavigne, Ashley Tisdale and Chinese pop star G.E.M. will star in an upcoming musical comedy together called Charming.
Avril and Chad? They're dunzo, for real this time.
Hilary Duff, Beyonce, Nick Jonas and more celebrate birthdays toward the start of autumn.
See all the celebs who have made surprise appearances on Taylor Swift's '1989 World Tour.'