Mother's Day! Justin Bieber, Usher, Chris Evans, and More Honor Their Moms

Happy Mother's Day! In honor of all the great moms out there, stars paid tribute to their leading ladies on Sunday, May 10. From Twitter to Instagram, A-listers like Justin Bieber, Usher, and Chris Evans praised their moms.

See Stars and Their Moms

Stars and Their Moms

All together now: Aww! From Jared Leto and Matthew McConaughey taking mom as their date to awards shows to Mark and Donnie Wahlberg opening restaurants in their name, see how celebrities express love for the ultimate leading lady in their life: Mom.