F1 drivers get several weeks off in August as part of the summer shutdown, allowing them to go on holiday or relax in the middle of a busy season.Hamilton was no different, spending a lot of time in America with some of his family.Video of Who Will Be Red Bull's Next F1 Driver?It seems the seven-time world champion may have got carried away, admitting he “ate so much food” and was three to four kilograms heavier than usual afterwards.“I did the first week in LA with my niece and nephew," he told fans at the Dutch Grand Prix. “It was really sunny…