ATLANTA -- Elizabeth Williams scored a season-high 17 points and grabbed eight rebounds to help the Atlanta Dream win their franchise-record seventh straight game with an 87-74 victory over the Seattle Storm on Sunday.

Seattle's Sue Bird, already the all-time WNBA assists leader, played her 500th career game, passing DeLisha Milton-Jones (499) for the WNBA record for games played.

Angel McCoughtry and Tiffany Hayes added 16 points each for Atlanta, which took the season series 2-1 with the win over Seattle.

The Dream (15-9) scored the last five points of the second quarter and led 50-34 after Hayes' 3-pointer to open the third. The Storm (18-7) closed within 52-45 in the middle of the third but got no closer.

Breanna Stewart had 31 points and eight rebounds for Seattle, which had its three-game winning streak snapped. Bird added 12 points with four 3-pointers and Jewell Loyd scored 11.