©

Getty Images

Albert Einstein -

The famous scientist was known to self-hypnotize, as he believed it would assist him in his creativity.

©

Getty Images

Winona Ryder -

The star of 'Girl, Interrupted' and 'Heathers' went to a hypnotherapist to help her quit smoking.

©

Getty Images

Tony Curtis -

In the 1960s, the late actor reportedly underwent hypnotherapy to assist with his fear of flying.

©

Getty Images

Chelsea Handler -

The comedian and actress finally managed to kick her cigarette habit with the help of a hypnotherapist.

©

Getty Images

Bruce Willis -

The star of 'Die Hard' and 'The Sixth Sense' supposedly went for hypnosis to help with a problem he had with stuttering.

©

Getty Images

Samuel L. Jackson -

The iconic actor underwent hypnosis in order to quit his multiple-years smoking habit.

©

Getty Images

Adele -

The 'Rolling in the Deep' singer managed to both quit smoking and lose weight, thanks to a hypnotherapist.

©

Getty Images

Drew Barrymore -

The actress reportedly managed to stop her chain-smoking habit with hypnosis.

©

Getty Images

Mel Gibson -

The 'Lethal Weapon' star has had many public embarrassments, and he has been hypnotized to cope with the stress of some of these.

©

Getty Images

Lily Allen -

The English singer credits hypnotherapy with enabling her to lose weight successfully.

©

Getty Images

Kevin Costner -

The film star is rumored to have had a private hypnotherapist join him while he was filming 'Waterworld.' He was suffering from sea sickness, and required assistance.

©

Getty Images

Gisele Bündchen -

The famous supermodel used hypnobirthing techniques to alleviate the discomfort of childbirth.

©

Getty Images

Kevin Bacon -

Reportedly, the actor was initially interested in hypnosis due to his problems sleeping. It's said he subsequently used it to gain both happiness and well-being.

©

Getty Images

Ellen DeGeneres -

The comedian is another celeb who reportedly managed to quit smoking with the assistance of hypnosis.

©

Getty Images

Eva Mendes -

Hypnosis can be used for a huge variety of things. The actress used it to get rid of her arachnophobia!

©

Getty Images

Andre Agassi -

The retired tennis pro is said to have underwent hypnotherapy to improve his focus and performance.

©

Getty Images

Mel B -

The Spice Girls singer decided to undertake hypnotherapy to calm herself and do as much as possible to prevent stagefright.

©

Getty Images

Matt Damon -

The actor reportedly was able to quit his heavy smoking habit with the help of a hypnotherapist.

©

Getty Images

Daryl Hannah -

The 'Blade Runner' and 'Roxanne' star supposedly received hypnosis for her problems with stagefright.

©

Getty Images

Ewan McGregor -

The Scottish movie star finally managed to give up cigarettes after undergoing hypnosis.

©

Getty Images

Fergie -

The former Black Eyed Peas singer is a strong believer in hypnotherapy, and used it to help her lose weight.

©

Getty Images

Debra Messing -

The 'Will & Grace' star reportedly managed to quit smoking with the help of hypnotherapy.

©

Getty Images

Jessica Alba -

The actress is a strong proponent of hypnobirthing techniques, having used them herself!

©

Getty Images

Geri Halliwell -

The Spice Girls singer reportedly went for hypnosis to help with weight loss.

©

Getty Images

Aaron Eckhart -

The actor managed to quit both alcohol and cigarettes with the help of hypnosis.

©

Getty Images

Olivia Munn -

The actress originally went for hypnosis to help with her OCD. Eventually, however, she used it for many other things, including exercise motivation.

Click here to read about Olivia Munn's style evolution!

©

Getty Images