On her birthday, Kristen Wiig accepted Olivia Newton-John’s ALS Ice Bucket Challenge – and here is the hilarious video. She got help from a guy named Justin, who poured a bucket of ice-cold water onto her head after Wiig, in her turn, nominated friend Dawn O’Porter (who filmed the clip), Annie Mumolo (Bridesmaids co-writer) and Kermit the Frog (naturally). Click on the preview below to watch the video in our archive!