Kim Kardashian’s Night Out With Mark Ballas and … Pia Toscano? (PHOTOS)

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Could Kim Kardashian be playing love doctor with exes Mark Ballas and Pia Toscano?

The newly-engaged Kim spent her Monday night dining out at Katsuya with pal Robin Antin and two less-than-likely guests: Dancing With the Stars pro Mark Ballas and his one-time girlfriend, American Idol contestant Pia Toscano. The reality couple has been reunited! Maybe they were consulting Miss Kardashian for some relationship advice? Mark’s Tweet on Monday night might lend a little bit of insight:

“Lovely dinner tonight with @KimKardashian @PToscanoAI10 and friends :)” he wrote, adding a link to a photo of the three of them together inside the restaurant.

Meanwhile, Kim posted on her blog: “I went to Katsuya on Monday night for a fun dinner with Mark, Mark’s girlfriend Pia from American Idol and Robin. So good to catch up!”

Ballas and Toscano’s relationship was all the rage following her Idol elimination, but only lasted a few weeks before the two went their separate ways. It appears with time, the spark has been rekindled!

As for Kim, she’s got a lot on her plate romance-wise right now, as her sure-to-be-fabulous wedding is now in planning phase following her engagement to boyfriend Kris Humphries.