The singer was spotted riding the Tube to the show on Tuesday night.Wearing her hair blond and shaggy, she was decked out in thigh-high boots, a leather jacket and a flame-embossed T-shirt over barely there denim shorts." But when it was time to head home, Kutcher, 34, and Kunis, 28, suddenly got shy as they walked to his car.

are rihanna and ashton kutcher really dating-7

The pop star has been asked about it twice during promotions for her upcoming film, "Battleship" — and both times she has rudely shut down the interviews.

Before Rihanna, Kutcher was seeing writer-director Lorene Scafaria, who he spent the holidays with in Italy, just weeks after calling it quits with Moore.

During a press conference in London for her new movie, Battleship, the Barbadian beauty was asked by a gutsy reporter if Kutcher would be visiting her across the pond. “Wow, how disappointing was that question,” she said.

“I’m happy and I’m single, if that’s what you’re really asking.” Battleship, costarring Taylor Kitsch and Liam Neeson, hits theaters May 18..” Nice little evasion there, right?

Here’s Ri Ri’s official denial: Rihanna would like to set the record straight: She’s not dating Ashton Kutcher.

In fact, the 24-year-old singer-actress says she’s completely unattached.

In fact, the 24-year-old singer-actress says she's completely unattached.

Rihanna had been romantically linked to Ashton Kutcher last week, when a report surfaced that she had headed over to the actor's house late one night and stayed there for several hours.

In stark contrast, Moore has mainly stayed single and out of the public eye …

except for that rehab stint."]Six years after they played young lovers on "That '70s Show," Ashton Kutcher and Mila Kunis seem to be taking their relationship from reel to real.

Definitely nothing going on there." But if they really are dating, Kunis would be the latest in a string of women the "Two and a Half Men" star has been linked to since separating from Moore, 49, in November after eight years together.