The actress appeared to have had the word 'blood' scrawled onto her upper right arm as she relaxed on Miami Beach yesterday.
However after rubbing sun cream on shortly afterwards, the 24-year-old managed to smudge it and likely ruined it even further after going for a dip in the Atlantic Ocean.
Ill-fitting: Lindsay Lohan adjusts her blue bikini as she emerges from the Atlantic after a dip in Miami
Bold: Lindsay shows off her temporary tattoo reading 'Blood' on her upper right arm
Whoops: But the actress managed to smudge it shortly after having it done when rubbing in sun cream
Lohan was initially playing it coy, hiding behind an orange scarf, but eventually showed off her figure as she went for a swim with a friend.
The actress has around four real tattoo, including a star on her left wrist, which her mother Dina and sister Ali, 17, also have.
Pale and interesting? Lohan showed off her curvy figure in a blue two-piece
Smile, you're on holiday: Lindsay looked incredibly serious as she hung out on the beach
On Sunday, following a photoshoot, Lohan appeared to be stressed out and decided to unwind poolside in a tiny striped bikini with her sister Ali while smoking a cigarette.
But the star's once enviable figure has given way to a pot belly, which she exposed while changing from her bikini.
Coy: Lindsay hides her face and body with an orange scarf as she walks around the beach in a blue bikini
Run for cover: Lindsay seen here hiding underneath a towel