Michael Strahan and his fiancée of five years, Nicole Murphy, split after a contentious negotiation over money and, more specifically, their prenup.

A source tells Page Six: “Nicole was unwilling to sign a prenup, even though Michael has consistently been very generous to her.”

Strahan was supportive when she sued Troy David Stratos for $7 million in 2010, after he allegedly persuaded her to invest all her money overseas.

The source added, “She gave Stratos all the money from her divorce with Eddie Murphy. Michael helped her out financially, but she still wouldn’t sign a prenup.”

His rep declined to comment last night.

New York Giants great and popular talk-show host Strahan and Murphy, who have nine children between them, officially called it quits Friday after seven years together.

Go to Page Six for more.