... his partnership with Vanessa Lachey is "not going well" behind the ballroom curtain.
Our good source says, "There is a lot of fighting going on behind the scenes...Their personalities are very similar so they disagree about everything. They refuse to give into one another."
The insider says, "They’re playing nice for the cameras but both are miserable paired with each other."
Their lack of chemistry hasn't affected their scores, however. So far, they've landed at the top of the leaderboard for their performances. Maks was a no-show on Monday’s episode. The co-host of the show said, "Maks is dealing with a personal issue..." A pre-taped package for the dancing team was also not shown.
A second source reveals to us that Maks refused to rehearse last week because of their differences, but Vanessa showed up.Meanwhile, their spouses have been getting along just fine.
On Monday night, Nick Lachey and Peta Murgatroyd appeared cheerful, despite their spouses’ rocky relationship.
FYI: A spokesperson for “Dancing with the Stars” says that Maksim and Vanessa WILL reunite and dance together next week.
Source: US Weekly