She has been supporting her husband Nick Jonas on his Happiness Begins tour.

But Priyanka Chopra was in full best friend mode as she headed to the US Open in New York to support Serena Williams.

The 37-year-old looked effortlessly fashionable in a floral summer dress and a beige blazer, on Monday.

Fashion forward: Priyanka Chopra looked effortlessly fashionable in a floral summer dress and a beige blazer, on Monday in NYC

The Quantico looked summer ready in a dress with a floral patterned skirt and a white silk and lace bodice.

She paired it with an unbuttoned light brown blazer and white, pointed toe stilettos.

Priyanka added some extra touches with oval sunglasses that matched her outer wear and a metal chain purse.

Here for support: The Quantico looked summer ready in a dress with a floral patterned skirt and a white silk and lace bodice, as she went to support her BFF Serena Williams at the US Open

She recently celebrated her husband, 26, launching a tequila company with John Varvatos.

Not only Pri but his brothers and sisters-in-law were in attendance for the event on Sunday.

The Jonas Brothers have been touring the eastern United States on their latest tour. Their reunited band headlined Madison Square Garden August 29 and 30.

The accessories: She paired it with an unbuttoned light brown blazer and white, pointed toe stilettos and her diamond wedding ring was sparkling in the light

After a show in Hershey, Pennsylvania on August 31, the boys headed back to New York, where they will remain until their concert in Pittsburgh on Tuesday.

The tour kicked off in Miami nearly a month ago. It goes through the US until December 15, which is when they take a Christmas break.

The leg of the tour heads to Europe in January and goes through until February 22, 2020 in Paris, France.

At the tennis tournament she was seen cheering from the stands as Serena got her 100th US Open win.

Joined by her mother, the actress showed reactions on her face while watching the match.

Hubby: She recently celebrated her husband, 26, launching a tequila company with John Varvatos

For my friend: At the tennis tournament she was seen cheering from the stands as Serena got her 100th US Open win

Family day: Joined by her mother, the actress showed reactions on her face while watching the match

Exciting time: She was loudly cheering from the stands.