So how does Cameron Diaz feel about getting romantic — even if only onscreen — with ex-boyfriend Justin Timberlake? In a word: thrilled.

“He’s the best person for the job. He’s going to be hilarious,” the actress told Access Hollywood host Billy Bush on the Oscars red carpet Sunday.

The former twosome are pairing up in the big-screen comedy Bad Teacher, in which they’ll play the leads. The film — which centers on a teacher (Diaz) who makes a play for her rival’s boyfriend (Timberlake) after getting dumped — started shooting this month in Los Angeles. The comedy also stars Molly Shannon, Jason Segel, Lucy Punch and “Modern Family” actor Eric Stonestreet.

Diaz, who said they just had their first day of shooting with Segel on Saturday, is ready to see JT put his comedic chops to work. “He’s clearly a very talented comedian; look at his ‘Saturday Night Live’ [skits].”


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