The actress lip synced to “Hello” after the late-night host introduced her to Dubsmash, which is a popular app that lets you record yourself lip syncing to thousands of different songs, quotes and noises.
Hudson also moved her lips to the famous “Ricola” commercial jingle, while Fallon relived Oprah’s Winfrey’s famous car giveaway.
For their grand finale, the duo lip synced to Baha Men’s 2000 hit “Who Let The Dogs Out.”
Hudson voiced Mei Mei in the upcoming “Kung Fu Panda 3,” which is hitting theater this Friday. The film also features the voices of Jack Black, Angelina Jolie, Dustin Hoffman, Jackie Chan, Seth Rogen and Bryan Cranston.