Sometimes lip syncing is plainly obvious, like when you can tell the singer’s mouth isn’t moving in time with the lyrics. But sometimes it’s more subtle.

Lip-syncing tutorials by Shah Rukh Khan During the post-release press conference for the film, the 32-year-old actress revealed that Khan shared some tips for lip-syncing the songs.

The app uses the celebrity's voice but your own face and puts your lip syncing skills to the test. The Dubsmash app has been downloaded more than 10 million times since its launch in October.

Casual fans will be watching the theatrics, choreography and guest appearances during Kendrick Lamar and SZA’s Super Bowl halftime show. Sleuths will be watching their throats.

Casual fans will be watching the theatrics, choreography and guest appearances during Kendrick Lamar and SZA’s Super Bowl halftime show. Sleuths will be watching their throats.

Whitney Houston’s performance of the national anthem at the 1991 Super Bowl was inarguably great. It was also lip synced, said her producer.

Casual fans will be watching the theatrics, choreography and guest appearances during Kendrick Lamar and SZA’s Super Bowl halftime show. Sleuths will be watching their throats.

Casual fans will be watching the theatrics, choreography and guest appearances during Kendrick Lamar and SZA's Super Bowl halftime show. Sleuths will be watching their throats.