Uh oh.

The woman who claimed Usher gave her herpes is now saying she NEVER had unprotected sex with him. That wasn't the story she told when she was filing that $20M lawsuit... Check out her recorded phone call below.

Usher Accuser Said He Always Wore Condoms, But Changed Her Story in Lawsuit | TMZ Live

Usher's herpes accuser in Georgia, Laura Helm, insisted she ONLY had protected sex with him -- even though she claimed otherwise in her $20 million lawsuit ... but she had a good reason for lying, according to her attorney. SUBSCRIBE: http://po.st/TMZLiveSubscribe About TMZ Live: Subscribe to the TMZLive YouTube channel for new clips Monday-Friday at 1pm, 3pm, 6pm (PST).