Jennifer Lawrences wedding rehearsal dinner wasnt giving her much joy.

Which is why she askedRobert De Niroto go home.

In a Jan. 7 red carpet interview with E!

Robert De Niro and Jennifer Lawrence

Robert De Niro and Jennifer LawrenceNicholas Hunt/Getty Images for Tribeca Film Festival

News, Lawrence said being a bride was super stressful.

She worried about others, particularly since the weather was not cooperating.

Its so stressful, she said.

Francis Ford Coppola speaks at a podium.

Youre not having fun.

Youre just like, Is that person having fun?

Thats when she spotted De Niro, herJoycostar, trying to fit in.

I dont want him here, she said.

De Niro complied, and Lawrence admitted, That just genuinely made me feel better.

Another stressful moment for Lawrence came when she was worried that her guests were cold.

However, her mom told her the truth.

My mom was like, Its freezing out there, your grandmother almost died, Lawrence recalled.