6.
Gigi Hadid was The Mask.
7.
Sarah Jessica Parker handed out candy on her stoop.
8.
Naomi Watts held her pup.
9.
Benji and Joel Madden had some brotherly bonding.
10.
Miley Cyrus and Cody Simpson went for a stroll.
11.
Ben Affleck looked weirdly happy about his parking ticket.
12.
Hailey Bieber tripped.
13.
Jennifer Garner was all muscle.
15.
Nick and Joe Jonas were a couple of bros playing spikeball.
16.
And Mariah Carey was a rockstar.