It send the home crowd and European players wild on the 18th green as they ran onto the course and celebrated.
The party went on long into the night and, detailed by Azahara Munoz and Law on Instagram, saw the likes of Dame Laura Davies and captain Catriona Matthew drinking from the cup.
Players and support team danced to We Are the Champions and Tina Turner’s Simply the Best and they celebrated their victory.
After the victory was sealed Pettersen revealed she was calling time on her career, believing the time was right to bow out on such a high.
“I think this is a perfect end for my professional career. It does not get any better,” Pettersen, who fought back tears as she hugged her 13-month old son Herman on the 18th green, said.
“I mean, can you ask for more? The last putt to win the cup, when it’s that close? History was just made, to win here in front of this crowd, I could never in a million miles dream it.