Christina Aguilera postpones the next stop of her 'Liberation' tour after losing her voice

Christina Aguilera revealed on Twitter Thursday that she lost her voice. (Reuters)

Christina Aguilera is resting up.

The "Genie in a Bottle" singer took to Twitter on Thursday to share with fans that she's lost her voice, and will therefore be unable to perform at her scheduled concert in Orillia, Ontario. Aguilera is currently on her "Liberation" tour. Her next date is scheduled for Oct. 13 in Detroit, Michigan.

“MY FIGHTERS, MY FRIENDS – it aches me to share that I am under the weather and have lost my voice today. Per doctor’s order, I need to rest tonight in order to get well asap – and will be unable to sing my heart out and perform for you at tonight’s show in Orillia, Ontario,” she said.

Christina Aguilera Admits She Was Bothered MTV Cut Away From Her 2003 VMAs Kiss With Madonna

“I have kept you waiting so long and I look forward to each night on this tour. I promise to make tonight up to you with a new date very soon – until then I am sending love and gratitude for your support and I CANNOT WAIT to get back on the stage after this short rest,” she added. “All my love, Xtina.”

Christina Aguilera's 'Liberation' Tour Costumes Are Insane -- Pics!

Aguilera's "Liberation" tour marks her first time on the road since 2008's "Back to Basics" tour -- and the singer has definitely been pulling out all the stops.

Christina Aguilera Kicks Off Liberation Tour With a Marriage Proposal and Tears -- Watch!

During her concert at Radio City Music Hall in New York City last week, Bill and Hillary Clinton were special guests in the audience, while Lil' Kim joined Aguilera on stage to sing their 2001 hit, “Lady Marmalade.”