Jennifer Lopez and Ben Affleck jet out of town with their family - Daily Mail

Ben Affleck and Jennifer Lopez jetted off to an unknown destination as they prepared to celebrate the Oscar winner's upcoming 50th birthday. !

The Marry Me star, 53, was seen taking off alongside her family from Van Nuys, California on Saturday in a classic look - a white button down shirt and high waist jeans, high heels and Gucci purse.

The Grammy winner styled her hair in straight layers and finished the look with a pair of aviator glasses.

Birthday trip: Ben Affleck and Jennifer Lopez looked comfortable as they headed off for a destination unknown to celebrate the Oscar winner's 50th birthday Saturday.

Her husband of nearly a month looked dapper in  black jeans, sneaker, and jacket with a white t-shirt.

Classic: The Marry Me star chose a classic look for her travel wear - a white camp shirt and high waist jeans, high heels and Gucci purse.

Dapper: The Oscar winner looked dapper in black jeans, sneaker, and jacket with a white t-shirt.

The blended family boarded a private jet at a private airport in the Van Nuys area of Los Angeles. .

Family time: It appeared all five kids from the newly blended family were traveling for the celebration

Mystery: It's unknown where the family is headed for the birthday trip 

Beauty plug:  While the singer and family were boarding their private jet, the social media  team at JLo Beauty were uploading a video of the founder promoting That Overnight Hustle™ nighttime serum