Celtics forward Grant Williams shows off his Halloween look in Boston on Sunday.

Plenty of NBA stars and their families were in the Halloween spirit over the weekend. From pregame arrivals to trick-or-treat festivities, keep scrolling to see some of the best looks and costumes from across the league in celebration of Halloween.

Bradley Beal, Washington Wizards

https://www.instagram.com/p/CkZGWUZS9B1/

Damian Lillard, Portland Trail Blazers

https://www.instagram.com/p/CkZt6JgrdHD/

John Wall, LA Clippers

https://www.instagram.com/p/CkYlNtZuHxv/

Russell Westbrook, Los Angeles Lakers

https://www.instagram.com/p/CkZvFWwrzAu/?igshid=MDJmNzVkMjY%3D

Montrezl Harrell, Philadelphia 76ers

https://www.instagram.com/p/CkZKBx1uwbl/

Pascal Siakam, Toronto Raptors

https://www.instagram.com/p/CkUb4LSJkNY/

Grant Williams, Boston Celtics

https://www.instagram.com/p/CkXBtdZjxvO/

Dewayne Dedmon, Miami Heat

https://www.instagram.com/p/CkZlOm5O7Wn/

JaVale McGee, Dallas Mavericks

https://www.instagram.com/p/CkZtpoyOele/

More spooky celebrations from around the NBA

https://www.instagram.com/p/CkYlg9Xgejw/

https://www.instagram.com/p/CkYylKPJ7tM/

https://www.instagram.com/p/CkL5f06vxzL/

https://www.instagram.com/p/CkZkczupbD8/

https://www.instagram.com/p/CkZSdswOX0D/

https://www.instagram.com/p/CkYn4JmOWZH/

https://www.instagram.com/p/CkZfOxdP6ZK/