celebrities The Most Immature Adult Celebs

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List Rules Vote up the adult celebrities (18 or older) who you think are the most immature and don't act their age.

When it comes to celebrities who don't act their age, Hollywood pretty much has an endless supply. Not that acting like a kid is always a bad thing. Sometimes celebrities who are immature can be hilarious, entertaining us with their antics in movies or TV shows. (What kind of world would this be without Will Ferrell acting like a jealous step-brother, adorable elf, or self-obsessed anchorman?) But other times, immature celebrities can be super annoying.  Their constant attempts to prove just how "shocking" or "edgy" the are leads to ridiculously bad behavior that the whole world has to put up with.

So which famous immature people are the most childish of them all? This list will help us finally figure it out. Less than impressed with Miley's many Instagram photos of her new sex toys? Totally over naked selfies from Kim Kardashian-West? Literally can't stand anything Justin Bieber does? You're not alone! Make sure the worst offenders are at the top of this immature celebrity list! 

Vote up the celebrities who act immature on the most consistent basis. Here's hoping they finally grow up. (But don't hold your breath.)

1
+ - 543 106
Kanye West is listed (or ranked) 1 on the list The Most Immature Adult Celebs
Kanye West age 38

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2
+ - 499 97
Kim Kardashian is listed (or ranked) 2 on the list The Most Immature Adult Celebs

3
+ - 428 146
Miley Cyrus is listed (or ranked) 3 on the list The Most Immature Adult Celebs
Miley Cyrus age 23

4
+ - 412 141
Justin Bieber is listed (or ranked) 4 on the list The Most Immature Adult Celebs
Justin Bieber age 23

5
+ - 346 123
Nicki Minaj is listed (or ranked) 5 on the list The Most Immature Adult Celebs
Nicki Minaj age 33

6
+ - 324 115
Kris Jenner is listed (or ranked) 6 on the list The Most Immature Adult Celebs
Kris Jenner age 60

7
+ - 380 166
Donald Trump is listed (or ranked) 7 on the list The Most Immature Adult Celebs
Donald Trump age 69

8
+ - 289 113
Chris Brown is listed (or ranked) 8 on the list The Most Immature Adult Celebs
Chris Brown age 27

9
+ - 270 102
Paris Hilton is listed (or ranked) 9 on the list The Most Immature Adult Celebs
Paris Hilton age 34

10
+ - 255 100
Kylie Jenner is listed (or ranked) 10 on the list The Most Immature Adult Celebs
Kylie Jenner age 18

11
+ - 256 105
Lindsay Lohan is listed (or ranked) 11 on the list The Most Immature Adult Celebs
Lindsay Lohan age 30

12
+ - 251 118
Ariana Grande is listed (or ranked) 12 on the list The Most Immature Adult Celebs
Ariana Grande age 22

13
+ - 205 98
Perez Hilton is listed (or ranked) 13 on the list The Most Immature Adult Celebs
Perez Hilton age 37

14
+ - 205 112
Charlie Sheen is listed (or ranked) 14 on the list The Most Immature Adult Celebs
Charlie Sheen age 50

15
+ - 252 166
Taylor Swift is listed (or ranked) 15 on the list The Most Immature Adult Celebs
Taylor Swift age 26

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16
+ - 35 3
Farrah Abraham is listed (or ranked) 16 on the list The Most Immature Adult Celebs

17
+ - 150 108
Andy Dick is listed (or ranked) 17 on the list The Most Immature Adult Celebs
Andy Dick age 50

18
+ - 135 99
Carrot Top is listed (or ranked) 18 on the list The Most Immature Adult Celebs
Carrot Top age 50

19
+ - 41 10
Madonna is listed (or ranked) 19 on the list The Most Immature Adult Celebs
Madonna age 57

20
+ - 152 149
Shia LaBeouf is listed (or ranked) 20 on the list The Most Immature Adult Celebs
Shia LaBeouf age 29

21
+ - 20 3
Deez Nuts is listed (or ranked) 21 on the list The Most Immature Adult Celebs
Deez Nuts

22
+ - 121 120
Kristen Stewart is listed (or ranked) 22 on the list The Most Immature Adult Celebs

23
+ - 14 2
Su Pollard is listed (or ranked) 23 on the list The Most Immature Adult Celebs
Su Pollard age 66

24
+ - 117 128
Sarah Palin is listed (or ranked) 24 on the list The Most Immature Adult Celebs
Sarah Palin age 51

25
+ - 23 14
Beyoncé Knowles is listed (or ranked) 25 on the list The Most Immature Adult Celebs

26
+ - 14 4
Donatella Versace is listed (or ranked) 26 on the list The Most Immature Adult Celebs

27
+ - 108 119
Alec Baldwin is listed (or ranked) 27 on the list The Most Immature Adult Celebs
Alec Baldwin age 57

28
+ - 11 2
Phil Tufnell is listed (or ranked) 28 on the list The Most Immature Adult Celebs
Phil Tufnell age 49

29
+ - 11 2
Joe Swash is listed (or ranked) 29 on the list The Most Immature Adult Celebs
Joe Swash age 33

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30
+ - 121 139
Rihanna is listed (or ranked) 30 on the list The Most Immature Adult Celebs
Rihanna age 27

31
+ - 122 144
Britney Spears is listed (or ranked) 31 on the list The Most Immature Adult Celebs

32
+ - 7 3
Joe Pasquale is listed (or ranked) 32 on the list The Most Immature Adult Celebs
Joe Pasquale age 54

33
+ - 92 115
Johnny Knoxville is listed (or ranked) 33 on the list The Most Immature Adult Celebs

34
+ - 5 3
Kevin Hart is listed (or ranked) 34 on the list The Most Immature Adult Celebs
Kevin Hart age 36

35
+ - 2 2
Piko Taro is listed (or ranked) 35 on the list The Most Immature Adult Celebs
Piko Taro

36
+ - 3 5
Ellen DeGeneres is listed (or ranked) 36 on the list The Most Immature Adult Celebs

37
+ - 71 98
Taylor Momsen is listed (or ranked) 37 on the list The Most Immature Adult Celebs
Taylor Momsen age 22

38
+ - 4 8
Christian Bale is listed (or ranked) 38 on the list The Most Immature Adult Celebs

39
+ - 2 6
Jim Carrey is listed (or ranked) 39 on the list The Most Immature Adult Celebs
Jim Carrey age 53

40
+ - 2 6
Idris Elba is listed (or ranked) 40 on the list The Most Immature Adult Celebs
Idris Elba age 43

41
+ - 3 8
Denzel Washington is listed (or ranked) 41 on the list The Most Immature Adult Celebs

42
+ - 95 137
Seth MacFarlane is listed (or ranked) 42 on the list The Most Immature Adult Celebs

43
+ - 3 9
Tom Hardy is listed (or ranked) 43 on the list The Most Immature Adult Celebs
Tom Hardy age 38

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44
+ - 3 9
Ryan Gosling is listed (or ranked) 44 on the list The Most Immature Adult Celebs
Ryan Gosling age 35

45
+ - 82 120
Jessica Simpson is listed (or ranked) 45 on the list The Most Immature Adult Celebs

46
+ - 82 121
Adam Sandler is listed (or ranked) 46 on the list The Most Immature Adult Celebs
Adam Sandler age 49

47
+ - 6 15
John Cena is listed (or ranked) 47 on the list The Most Immature Adult Celebs
John Cena age 38

48
+ - 78 120
Lady Gaga is listed (or ranked) 48 on the list The Most Immature Adult Celebs
Lady Gaga age 29

49
+ - 92 143
Jimmy Fallon is listed (or ranked) 49 on the list The Most Immature Adult Celebs
Jimmy Fallon age 41

50
+ - 59 103
Macaulay Culkin is listed (or ranked) 50 on the list The Most Immature Adult Celebs