When you're five and playing with other kids in the sandbox, sticking out your tongue is an effectively communicative gesture that can convey brattiness. Fast forward a few years to the age of eight or nine or even 12 and it takes on whole new meaning, as you tend to stick your tongue out at the person you are crushing on. When you are Miley Cyrus , you're tongue can become to topic of national conversation.

With other famous pop stars, sticking out your tongue can be express an assortment of different emotions. It can be perceived as playful, aggressive --especially when the paparazzi are in hot pursuit-- or cute.

We've rounded up candid photos of our favorite pop stars flashing their tongues! It turns out they do so whether they are on stage, performing, posing on red carpets or while being chased by the paps.

Miley Cyrus

Miley Cyrus Tongue
Pacific Coast News
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Justin Bieber

Justin Bieber Tongue
Pacific Coast News
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Avril Lavigne

Avril Lavigne Tongue
Ethan Miller, Getty Images
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Kesha

Kesha Tongue
Astrid Stawiarz, Getty Images
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Jessie J

Jessie J Tongue
Ian Gavan, Getty Images
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Nicki Minaj

Nicki Minaj Tongue
Jason Merritt, Getty Images
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Celine Dion

Celine Dion Tongue
Ethan Miller, Getty Images
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Jessica Simpson

Jessica Simpson Tongue
Jason Merritt, Getty Images
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Madonna

Madonna Tongue
Jason Merritt, Getty Images
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Katy Perry

Katy Perry Tongue
Ian Gavan, Getty Images
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Azealia Banks

Azealia Banks Tongue
Frazer Harrison, Getty Images
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Rihanna

Rihanna Tongue
Stuart C. Wilson, Getty Images
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Rihanna...again

Rihanna Tongue
Jason Merritt, Getty Images
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Christina Aguilera

Christina Aguilera Tongue
Ethan Miller, Getty Images
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Cheryl Cole

Cheryl Cole Tongue
Pacific Coast News
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Lana Del Rey

Lana Del Rey Tongue
Pacific Coast News
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The Wanted's Jay McGuiness

Jay McGuiness TheWanted Tongue
Pacific Coast News
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Pink

Pink Tongue
Pacific Coast News
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Joss Stone

Joss Stone Tongue
Pacific Coast News
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Ryan Lewis

Ryan Lewis Tongue
Pacific Coast News
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Rihanna...Threepeat!

Rihanna Tongue
Pacific Coast News
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