Jessie Mueller holding Claire Keane Photo

From: Photo Flash: WAITRESS's Jessie Mueller Celebrates Mother's Day with Adorable Mother-Daughter Pose

Mother's Day is Sunday, and Broadway's WAITRESS is getting a jump on the holiday with an adorable new photo of star Jessie Mueller posing with Claire Keane, who shares the role of 'Lulu' with her twin sister, McKenna, in the show. Check out the mother-daughter moment below!