Republican presidential hopeful Chris Christie is accusing primary rival Sen. Marco RubioMarco Antonio RubioRubio in Colombia to push for delivery of humanitarian aid to Venezuela On unilateral executive action, Mitch McConnell was right — in 2014 On The Money: Trump declares emergency at border | Braces for legal fight | Move divides GOP | Trump signs border deal to avoid shutdown | Winners, losers from spending fight | US, China trade talks to resume next week MORE (R-Fla.) of lying about his stance on immigration at Thursday night’s GOP debate.

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“Senator Rubio did not tell the truth last night on that stage,” the New Jersey governor said on MSNBC’s “Morning Joe” on Friday. “It’s that simple.”

“And he thinks he’s so smooth about it and that people won’t notice because he just doesn’t answer the question,” he added. “But people understand that and they get it, and over the course of time, we’ll make sure they get it about Senator Rubio.”

When asked if he flip-flopped on the issue of amnesty, Rubio attacked Sen. Ted Cruz (R-Texas) for changing his stance on immigration.

"This is the lie that Ted's campaign is built upon ... that he's the most conservative guy and everyone else is a RINO," he said.

When asked how his evolution on the issue is different than Rubio’s, Christie said he acknowledges his change of heart.

“Here’s what voters are fine with: They’re fine if you’re honest, they’re not fine if you lie,” he said.

“I didn’t say it was different than anybody else’s evolution,” he added. “I admit it, and they don’t.”