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When Lupita Nyong'o appeared on stage at Sunday's MTV Movie Awards in L.A., the 12 Years a Slave star adorably joked, "A year ago, nobody knew my name. And now, nobody can pronounce my name."

While Nyong'o is a relative newcomer, Zac Efron isn't. Jessica Alba announced that the actor won the Best Shirtless Performance award for That Awkward Moment, calling him "Zac Eeefron" in the process.

Awkward, indeed.

Neither Efron nor co-presenter Rita Ora seemed to notice Alba's innocent flub, likely because Ora gleefully decided to rip the actor's chambray shirt open, exposing his six-pack abs and chiseled chest.

Hey, we're not complaining, and Alba was probably grateful for the distraction.

Jessica Alba, Zac Efron, Rita Ora, MTV Movie Awards

Christopher Polk/Getty Images

At least Alba was in the ballpark! When John Travolta introduced "Let It Go" singer Idina Menzel at March's 86th Annual Academy Awards, he unintentionally gave her a new identity: Adele Dazeem.

Alba wasn't the only person to flub her lines inside the Nokia Theatre L.A. Live. A Million Ways to Die in the West star Amanda Seyfried struggled to read the teleprompter after taking out her contact lenses, and Cameron Diaz messed up a movie title. After giving The Hunger Games: Catching Fire's Josh Hutcherson the award for Best Male Performance, the Other Woman star said, "We also have to congratulate Jennifer Lawrence for taking home the popcorn for Best Female Performance for Hunger Games: Catching Fires." Oh, Cameron—there's only one fire.

Perhaps she's more of a Divergent fan?