‘Extra’ caught up with Rihanna at the premiere of ‘Battleship,’ and the ‘Where Have You Been’ singer couldn’t have been more excited for the film. She dished on how much better she’s feeling since her sick scare last week as well as on how to do her signature “cut the cake” move inspired by ‘Birthday Cake.’Rihanna was “very excited and very nervous” about her ‘Battleship’ premiere. “I can’t wait for my family to see it,” she said of the pre-summer blockbuster. “My little brothers are here,” she added. “I don’t know who I’ll bring in the future, since this is my first one, but I wanted them to be a part of it.”

When asked about the photo of her IV from when she was sick, RiRi responded, “A lot better. I took a couple days off just to rest and do nothing,” she said. “Every time I’m sick I just keep working and working on top of it, so I never really recover. But I took a couple days off and I slept, and I feel a lot better right now.”

After a few vignettes with her co-stars, ‘Extra’ came back to Rihanna — and to host Lopez, who asked for a tutorial on how to “cut the cake.” Lopez, who’s a trained dancer — remember his ballet moves on ‘Saved by the Bell?’ — was having a bit of trouble with the move. “You look like you’re making a butterfly on the cake,” Rihanna critiqued. “Cut it, cut it, cut it, cut it! I’m not gonna do it out here in this dress,” she smirked. “Disrespectful!” Eventually, though, he got the hang of it. “What he did!” she laughed. “What he just did!”

To learn how to come and put your name on it, watch the clip below (to learn the dance, start at 2:05!).

Watch Rihanna on ‘Extra’

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