Lindsay Lohan isn’t the only star in Hollywood who has sported a not-so-sensational smile!

From yellow discoloring to crooked chompers, even some of the sexiest celebrities have imperfect teeth. RadarOnline.com has photos of 10 imperfect stars showing off their not-so-terrific teeth.

Don’t mind the gap! Anna Paquin and Madonna both sport a little bit of space between their two front teeth, and it doesn’t seem to bother them one bit.

It’s a brave man who would dare to put his hands in the mouth of a tiger!

But for veterinarian Dr. Robert Gaddis, he was tasked with the unenviable job of performing a painful root canal procedure on Kumar the Malayan tiger, and RadarOnline.com has photos of the nerve wracking procedure.

A 49-year-old toothless Pennsylvania woman is in custody on charges of robbery, theft and terrorist threats, after she robbed a bank last month to pay for a set of dentures, according to police.

Carmichaels native Evelyn Marie Fuller robbed the First National Bank in Waynesburg on January 20, police said, handing a note to the teller that she had a gun, and to hand over money without notifying authorities. 

Fuller was fingered for the crime by an unnamed witness after police went public with a surveillance photo of the bank robber. The witness recognized the coat Fuller was wearing as they had loaned it to her -- she subsequently confessed.

Steven Tyler was taken to hospital on Tuesday after he fell in a shower in a Paraguay hotel room, RadarOnline.com has learned.

The Aerosmith singer was spotted by a bellboy at the Bourbon Hotel in Asuncion, who claimed that Tyler had knocked several teeth out and cut his face, reported MSNBC.com.

The man, who identified himself as Gustavo Perez, told local radio that Tyler slipped when he was taking a shower and "had a nasty fall" and had been taken to a local emergency room.

Lindsay Lohan was approved for a leave of absence from her shoplifting program to have dental work done on October 14, RadarOnline.com has exclusively learned.

The Mean Girls actress shocked everyone on October 12 when she walked a red carpet in Los Angeles with teeth that were stained brown and appeared rotting.

But when she was photographed that following weekend, her smile showed off perfect pearly whites!

Just days after appearing on the red carpet with stained and rotting teeth it looks like Lindsay Lohan has had emergency dental work, an expert tells RadarOnline.com.

Lindsay was out shopping in Los Angeles at the weekend, showing off her pearly whites, a far cry from the dirty brown teeth she flashed last Wednesday night.

Dr. Pankaj Singh, of Arch Dental Associates in New York City, who has not treated the starlet, said he thinks Lindsay hurried to a dentist to fix her gnarly grill.

“It would appear she had an emergency dental intervention; either she had some bondings or veneers done to cover up the stained and decayed teeth.”

Lindsay Lohan’s startling rotten toothed smile on the red carpet Wednesday night was shocking to say the least, and a dental expert has told RadarOnline.com that the decay has most likely come from “smoking and drug use.”

Dr. Pankaj Singh, of Arch Dental Associates in New York City, who has not treated the starlet, said: “This type of damage appears to be from a combination of smoking, drug use and a lack of personal care.”

As RadarOnline.com previously reported, Lohan’s stained teeth that she flashed on the red carpet are a far cry from the million dollar smile she used to have.

Not so long ago it was Lindsay Lohan's ground-breaking fashion choices that caught everyone's attention on the red carpet, but on Wednesday night all eyes were on her startling teeth, prompting speculation about what could have happened to her pearly whites.

As RadarOnline.com previously reported, in a close up of 25-year-old Lindsay’s teeth at the THQ launch party in Los Angeles they seem to be stained brown and almost rotting, a far cry from the million dollar smile she used to have.

"There are signs of definite neglect," Dr. Naz Tofigh of Thirty-2 Advanced Dentistry in West Hollywood told RadarOnline.com in an exclusive interview.