It's hard being Mr. Britney!

Britney Spears' husband Kevin Federline has spoken of the hardship of being the multi-millionairess' other half. He says he has found it difficult living in the shadow of his famous wife, saying it has made it difficult to launch a career in the music world. Speaking on The Ellen DeGeneres Show, K-Fed revealed how the bar was et that much higher. "I think the expectation is real high for me, you know," he said. "It's like you see my wife, here she is this huge superstar, everybody loves her, all of her music is just hit, hit, hit after hit, and it's hard to compete." He also revealed that they do not know the sex of the couple's second child, with which his wife is now heavily pregnant.