Matthew McConaughey and Lance Armstrong have denied claims they are gay lovers.The pair - who are often photographed together shirtless - have laughed off rumours that their close friendship has turned physical.Matthew joked to Details magazine: "We tried it. It wasn't for us."A lot of people don't understand friendship and brotherhood. I have a great friend in him. I'd do anything he asked me to, even though he'd probably never ask me to, and he feels the same way."Seven-time Tour de France cycling champion Lance - who called off his engagement to singer Sheryl Crow earlier this year - admits he and Matthew had no idea their bond would develop into something so strong.He explained: "Our friendship just kind of developed. He got out of a relationship and I'd just gotten out of a relationship."I think people see pictures and they think we're these overgrown frat guys, but we all have those kinds of relationships - and relationship isn't a bad word."

Lance elaborated: "I mean, we all have buds, we all take guy trips, but you take something very normal and you put it in a magazine, and people start talking."

However, Lance says he's still not over his split from 'If It Makes You Happy' singer Sheryl.

He lamented: "We couldn't get it right, we couldn't get it wrong.

"There was just a lot of back-and-forth. But we had a love for each other, and I think we still do."