Lindsay Lohan didn't turn up to support Samantha Ronson on her latest DJ gig.

The Mean Girls star is normally by her girlfriend's side during sets but this weekednd left Sam to hit the decks at Club Echo in Hollywood alone.

It looks like the pair aren't putting on a united front amidst rumours they have split after a series of explosive rows.

Lindsay has denied in her blog that she and Sam have broken up.

See Lindsay and Sam's love story below