All together now: “Honey honey, how he thrills me, a-ha, honey honey!” ABBA fans were able to harmonize with Amanda Seyfried on September 20 at a special sing-along screening of the 2008 feature film adaptation of Mamma Mia! Presented to celebrate the hit musical’s forthcoming 10th anniversary at the Winter Garden Theatre, the screening drew a slew of Broadway cast members to NYC’s Ziegfeld Theatre, led by leading lady Lisa Brescia. Click below to see our snapshots of a tuneful event!