The newly minted lovebirds stepped out on the red carpet as an official couple Monday night for the Carousel of Hope Ball. Speaking with Entertainment Tonight, Groban raved about his new girlfriend and said he was excited for her to see him performing live.
"I do have such a lovely date tonight," Groban said. "I'm very lucky my girlfriend has joined me tonight. It's her first time hearing me sing, so I'm going to do some extra warm-ups so I don't suck."
Groban said he and Dennings "joke sing all the time," but he has never sang exclusively just for her.
"We harmonize on the radio, but no, I haven't really done [any real singing]," Groban said. "It always seems like a cheesy move on my part... like, 'Hey, you wanna hear me sing?'"
Aside from appearing at an official event together as an item for the first time, Groban and Dennings also confirmed their relationship on Instagram. Posting photos of himself and Dennings on the red carpet together, the "To Where You Are" crooner captioned one photo with "I ship it." As a response, Dennings wrote her own caption under another shot, saying, "I ship it too."
Besides appearing at red carpet events together, the pair is also busy working on their own projects. Dennings is currently starring in 2 Broke Girls, while Groban is getting ready to cohost Live With Kelly and Michael on Oct. 15. The Rising Star host also recently wrapped up his 2014 summer U.S. tour.
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