J.Lo and Jennifer Garner unite with Ben Affleck for Seraphina's musical event in LA - Daily Mail

The Alias star opted for cropped blue jeans, and she stuck with a sporty set of teal trainers while wearing her brunette tresses tied back in a casual ponytail.

Taking it easy: Samuel rocked a cool set of red, white and black Nike high tops that contrasted with his blue hoodie and dark jeans with blown-out patches over the knees

He rocked a cool set of red, white and black Nike high tops that contrasted with his blue hoodie and dark jeans with blown-out patches over the knees.

New role: Jennifer's sighting comes on the same day that new images were released from the upcoming third-season revival of the cult comedy series Party Down

Jennifer Lopez's meeting with her husband's ex-wife comes after she opened up about the joys of joining a blended family while speaking with Extra at the premiere of her new romantic comedy Shotgun Wedding on Wednesday.

Happy to be together: During an appearance on Today earlier this week, Jennifer said she had had her 'best year' in a long time after she and Ben moved in together and their children could finally be together under one roof