Lindsay Lohan and Calum Best Party On..

Calum Best, Lindsay Lohan's latest boytoy, was refused entrance to a VIP nightclub area after security didn't recognize him upon returning from the restroom.

Calum reportedly threw a fit repeating that he was with Lindsay, but was still refused entry.

A source told Us Weekly, "Best was telling the guard, 'Wait - I really want to make this point.' Eventually Lindsay sent someone from her group to come to his rescue. They came and got him. Best gave an, 'I told you so' look to the guard."

Meanwhile, Lindsay was allegedly so wasted last week while clubbing in New York that she was "barely able to speak".

Also last week she visited the Apt club at 4.30am, after the Metropolitan Museum's Costume Institute Gala.

A source told the New York Daily News newspaper, "She tried to pay a security guard to have her own corner of the dance floor, but he just laughed at her. A few very well-known transvestites were also talking about a fun little bathroom trip they had with Lindsay."

Source