Laura Marano Premieres 'La La' at Arthur Ashe Kids Day (Listen)

Arthur Ashe Kids Day took place today at the Billie Jean King Tennis Center in New York.

Among the headliners were Laura Marano, Jordan Fisher, Forever In Your Mind, and Flo Rida. The event was hosted by Joey Bragg, Jordan Fisher, and Laura Marano.

Laura Marano, who formerly starred in the Disney show Austin and Ally, and now is a hit pop artist, performed her single La La for the first time today at the event.

Arthur Ashe Kids Day is an annual event that features famous tennis players, like Venus Williams, and entertainers, like Fisher, Marano, and FIYM. It is put on to benefit the US Tennis Association and various kids tennis programs.

The event kicked off with famous tennis players like Venus Williams showing off their stuff:

Then, the entertainment portion began, and included such hit recording artists as Flo Rida,, Zara Larsson, Troye Sivan, and boy band Forever In Your Mind:

Here's Flo Rida playing a word association game with Radio Disney:

Cool game with my @radiodisney family. #aakd #usopen #radiodisney

A video posted by Flo Rida Official (@official_flo) on

And here's a clip of Forever In Your Mind playing:

Laura Marano and Jordan Fisher, who has played roles on many Disney shows, including Liv and Maddie,, and is now Disney's "Next Big Thing" featured artist, performed as well as hosted, along with comedian and Liv and Maddie star Joey Bragg:

At the end of the show, Bragg posted a picture sitting in the umpire's chair.

Although the event took place today, it will be shown on TV tomorrow on ABC.

Photo courtesy: US Open