The stars and their superstitions

The actress is afraid to pass under a ladder, she said to InStyle. "Never walk under stairs," she recommended. "I've never, ever done it."

Patrick Dempsey is a fan of motoring, racing, and speed. To ensure his safety, the actor never rides or drives without his red Puma shoes.

In 2006, Helen Mirren forgot the shoes she was going to wear to go to the Emmy award show. She had to buy 39-dollar heels at the last minute. That night she won an award as a wild card. Since then, Helen Mirren always takes these cheap shoes to every event she attends.

Rihanna doesn't want anything yellow in her dressing room before a concert. The singer associates yellow with bad luck and doesn't want anything to leave her jinxed. Curiously enough, though, she has no problem wearing yellow clothes.

Did you know Justin Bieber dies his hair platinum blonde out of superstition rather than aesthetic reasons? The singer revealed on The Today Show that he wanted to reach Platinum status with his album 'What do you mean?' and that's why he got platinum hair.

Half superstitious, half competitive, Tiger Woods always used to wear red on Sundays, the last day of a golf tournament, to call for good luck as well as to show his aggressiveness on the course.

Lindsay Lohan has an amulet to help her through her difficult times. It's a Judith Ripka necklace that helps keep bad vibes away. She wears it very often.

On more than one occasion, Johnny Depp has confessed to an irrational fear of clowns and spiders. He told The Hollywood Reporter that clowns "always seem to be lurking in the dark."

John Travolta is a known member of Scientology. However, one of his most curious peculiarities comes from the Kabbalah. It tells him to never wear the same shirt twice during a shoot. When he was filming 'Basic,' the actor had to wear eight Armani T-shirts per day on the set.

When Jennifer Lopez and Ben Affleck broke off their engagement just days before the wedding, JLo made some radical moves. She sold her ring and burned her expensive Vera Wang wedding dress. Her family told her it was bad luck to keep the unused dress. Yet, nearly two decades later, Lopez would end up marrying Affleck after all. So was it all worth it?

Football star David Beckham told Jimmy Fallon that he used to put on new shoes and underwear for each match. Off the field, he was somewhat of a maniac for numbers as well. If there were three colas in his fridge, for example, he would take one out to make the number even.

Cameron Diaz confessed to Cosmopolitan in 2000 that she spent "all day knocking wood." It was not exaggerated. She did it "constantly," multiple times a day.

When Angelina Jolie married Billy Bob Thornton, the couple exchanged small crystal pendants containing each other's blood - "to wear when we were separated," the actress said in a magazine. After splitting up, Billy Bob Thornton reclaimed his drop of blood so that his ex wouldn't be able to perform voodoo on his blood.

The Coldplay frontman told the Melbourne Herald Sun that he has a ritual of 18 actions before he can give a concert. Most of them, he said, were "too ridiculous to mention." One of them was the habit of brushing his teeth. "If I don't do it, I don't feel smart enough to perform."

The Irish actor revealed to Ms. London magazine that he has some lucky underpants that he always wears on the first day of shooting. "They have clovers on them, which is an Irish symbol of good luck. Now they're a bit old, but I still use them."

Cristiano Ronaldo is a Christian not only in name. The Portuguese player always enters the field wearing a white rosary under his shirt. Before stepping on the grass, he kisses it three times. He has not done badly with it.

Enrique Iglesias has a non-negotiable ritual before each concert: to play pool. The question is, does he really take a pool table with him to each and every concert?

Jennifer Aniston is afraid to fly. When she has to, she always enters the plane with her right foot.

F1-racer Fernando Alonso is one of the celebrities with the most conspicuous obsessions. In more than one interview, the driver has acknowledged that he avoids the mechanics with whom he spoke in races that ended badly. He also checks the numbers of the rooms in which he and his companions stay, to find out if luck is on his side.

The famous singer told Vanity Fair that "if you have sex with someone you don't love, it can ruin your energy." So, for a while, she practiced celibacy in order to protect her creativity.

The German supermodel says she always travels with one of her baby teeth. The reason? It brings her good luck. Or, at least, she thinks it does.

Before the birth of her first daughter, Honor Warren, Jessica Alba held a baby shower with her friends including Kim Kardashian and Rashida Jones. A witness in the Ever After Tea Shop, where the event was held, says she gave all her guests a leather bracelet and prayed together with them. She said no one could take off the bracelet until the baby was born.

Megan Fox is afraid to fly but has to take the plane on a regular basis. So, ever since she was 20 years old, she plays Britney Spears music on the plane to calm down. She explains it to the Mirror: "I know it's not my destiny to die while listening to Britney Spears."

Paris Hilton is super-superstitious. The socialite often knocks on wood to ward off bad luck.

Another celebrity in the world of superstitions. Penelope Cruz often rubs her head to call for good luck and ward off bad omens.

Taylor Swift has an unusual lucky number: 13. 'E! Entertainment' claims that the singer always carries it with her and, if she can't, she paints it in her hand.