Kevin Federline spent big in Las Vegas while billing ex-wife Britney Spears

Kevin Federline might play the part of the pauper to his pop princess ex-wife Britney Spears, but in Las Vegas he is king.

Federline spent more than $43,000 (euro27,700) on Las Vegas hotels, dining and shopping between May 2007 and January of this year, according to documents filed by Federline's attorney in his custody battle with Spears. The documents were released by the Superior Court on Thursday.

The tabs included $1,445 (euro930) for clothing at Gianni Versace, $3,863 (euro2,488) at TAO nightclub, and $3,008 (euro1,937) at the Hard Rock Beach Club.

He appears determined not to be branded a cheap tipper. At Scores strip club, he dropped a …