Is a new feud brewing in Hollywood? Celebrities + booze + Golden Globes party = yummy fodder for Drama Llama.

Christina Aguilera recently reportedly lost her temper in a heated exchange with Burlesque co-star Julianne Hough.

The confrontation took place at a Golden Globes pre-party hosted by Creative Artists Association (CAA) at the Soho House in West Hollywood and attended by Julia Roberts, Colin Firth, Ashton Kutcher and Demi Moore. Hough’s tabloid beau, Ryan Seacrest, wasn’t present.

According to observers Aguilera and Hough got into a hissing match, culminating in Aguilera getting grabby. (No, not grabby like a drunk frat guy, the other kind of grabby.)

Onlookers say the former Dancing with the Stars professional was shocked by the aggression, snapping, "Don't touch me!"

Before the two separated Aguilera threatened to destroy Hough's budding country singing career.

An insider described Hough as "visibly upset.”

"The whole thing was troubling. People felt bad for Julianne."

Although Aguilera’s rep dismissed the incident as “nonsense,” the singer has a history of feuds with stars ranging from Kelly Osbourne to Eminem.

No word on what sparked the scuffle. Perhaps personal frustrations combined with booze to push Aguilera over the edge. After all, she’s had a rough winter. She severed ties with Jordan Bratman, filing for divorce in mid November. (She cited irreconcilable differences, but nasty rumors of infidelity on her part ran rampant.) As if a failed marriage wasn’t devastating enough, Burlesque did poorly in the box office and received mixed reviews from critics.

We can only guess what set her off. Maybe Hough accused her of wearing corseted Spanx? Stole her French fries? Oh, we kid!

Still, Aguilera has packed on the pounds but luckily in all the right places. At the pre-party she channeled curvy stars of old Hollywood in a sparkling mermaid gown cinched at the waist, and at the Globes ceremony Sunday night her strapless black lace gown over nude lining — again in a mermaid silhouette — by Zuhair Murad seemed several sizes too small at the bustline.

We find her plumper bod stunning, but others have not been so kind.

As it stands Hough looks like a victim of a diva’s diatribe. This certainly does not bode well for Aguilera, even if she does have her reasons for being on edge.