Lexi Thompson"Happy Halloween everybody! I went as a flirty nerd this year;) have a fun night!" Via Instagram.
23 of 40Bob Estes/Twitter
Bob and Liz Estes"Sushi & the Sushi Chef. Sushi won best costume prize at 4 Seasons Westlake Village party in CA!" Via Twitter.
24 of 40Jack Nicklaus/Instagram
Jack Nicklaus>Throwback Thursday: Scary to think what golf would be like today without the Nicklaus family! Check out this 1968 photo of the three oldest of five Nicklaus kids—Steve, Nan and Jack II—on their way out trick-or-treating. # halloween #nicklaus #goldenbear #trickortreat #throwbackthursday #tbt." Via Instagram.
25 of 40@bubbawatson
The Watsons got into the Halloween spirit. Bubba: "Monster Mash at Isleworth. #MickeyMouse #MinnieMouse #Olaf"
26 of 40Natalie Gulbis/Twitter
Natalie Gulbis"Halloween at the Boys and Girls Club. How cute is mini Mario!!" Via Twitter.
27 of 40Natalie Gulbis/Twitter
Natalie Gulbis"Halloween Party at my Boys and Girls club." Via Twitter.
28 of 40Michelle Wie
Michelle Wie"Don't mess with the ninja!!" Via Instagram.
29 of 40Michelle Wie
Michelle Wie"Sneaky like a ninja." Via Instagram.
30 of 40Bubba Watson/Twitter
Bubba Watson"My little Monster!! #ProudDad." Via Twitter.
31 of 40Page Mackenzie/Twitter
Page Mackenzie"We also decided to dress up for Halloween @ashlan_ramsey @allymc10." Via Twitter.