Patti LaBelle rushed off stage amid bomb threat at Milwaukee concert

Patti LaBelle will slay (sleigh?) a Christmas carol, even when she can't remember the lyrics, but something scarier derailed her recent holiday performance.

LaBelle was performing at Milwaukee's Riverside Theater on Saturday when she was abruptly rushed off the stage. According to the venue and the Milwaukee Police Department, there was a bomb threat that resulted in the Riverside Theater being evacuated.

Fox 6 Patti LaBelle at the Riverside Theater in Milwaukee

"Tonight's @MsPattiPattishow at the Riverside Theater has been postponed following a bomb threat investigated by the Milwaukee Police Department," the venue's Twitter account announced. "We are thankful for the efforts of the Milwaukee Police Department and our customers and staff for their safe and orderly exit."

"Regarding the bomb threat in the 100 block of W. Wisconsin, all patrons have been safely evacuated," Milwaukee Police Capt. Warren E. Allen Jr. said in a statement to the Milwaukee Journal Sentinel. "Police are clearing the facility at this time. The investigation is fluid and ongoing."

The MPD added, "The building was searched by K9 units. No explosive devices were discovered. There is no threat to the public at this time."

In a video posted to Twitter by a fan, a surprised LaBelle can be seen being ushered off the stage by security, exclaiming "Wait!" before the microphone is taken from her hand.

The Riverside Theater says it's working with LaBelle to reschedule the show. Reps for LaBelle and the Milwaukee Police Department did not immediately respond to EW's request for comment.

Related content:

• Sarah Dash, cofounder of Labelle and 'Lady Marmalade' singer, dies at 76

• The best cameos on A Black Lady Sketch Show

• Every celebrity reveal on The Masked Singer so far