Comin' atcha like a sledgehammer — Lauren Jauregui and Normani Kordei will square off in a Fifth Harmony-themed episode of Lip Sync Battle, but which will be BO$$, and which is going down?

In the two previews of the next episode below, Jauregui and Kordei assume the roles of legends Amy Winehouse and Beyonce, respectively, for renditions of "Rehab" and "Bootylicious."

Jauregui — big ol' signature Winehouse pouf included, mock-belts the 2006 hit convincingly, and has host Chrissy Teigen convinced she's seeing the real, late crooner live, and with her own eyes.

"Guys, I have, like, no jokes — I am still the biggest Amy Winehouse fan. Just beautiful music and you absolutely embody her. You look so good," Teigen says.

And Kordei, dressed in Beyonce's vibrant pink number from 2001, pretends to deliver the Destiny's Child single, which shot to No. 1 on the Billboard Hot 100 nearly 17 years ago.

And when all is said and done, Kordei says she has an...ummm...special connection to the track. Suffice it to say, Thanksgiving at her family's house sounds like a blast, and makes the rest of our holiday traditions look like snoozes.

"I just remember watching 'Bootylicious' in my grandmother's living room and and just like, you know, not being able to stop...my grandma twerks with me, it's fine," she jokes.

This episode of Lip Sync Battle, which also features Ally Brooke and Dinah Jane, will air Thursday, February 1 at 10 PM EST on Spike.

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