Celebrities The Most Immature Adult Celebs  

Celebrity Lists
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20.4k votes 1.9k voters 24.4k views 64 items

List Rules Vote up the adult celebrities (18 or older) who exhibit childish behavior and need to grow tf up.

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.)

list ordered by

1
756 273
Donald Trump is listed (or ranked) 1 on the list The Most Immature Adult Celebs
age 71

2
395 136
Perez Hilton is listed (or ranked) 2 on the list The Most Immature Adult Celebs
age 40

3
709 232
Justin Bieber is listed (or ranked) 3 on the list The Most Immature Adult Celebs
age 24

4
860 183
Kanye West is listed (or ranked) 4 on the list The Most Immature Adult Celebs
age 40

5
783 176
Kim Kardashian is listed (or ranked) 5 on the list The Most Immature Adult Celebs

6
58 18
Bethenny Frankel is listed (or ranked) 6 on the list The Most Immature Adult Celebs
minkietight added age 47

7
60 19
Ann Coulter is listed (or ranked) 7 on the list The Most Immature Adult Celebs
minkietight added age 56

8
700 238
Miley Cyrus is listed (or ranked) 8 on the list The Most Immature Adult Celebs
age 25

9
70 16
Caitlyn Jenner is listed (or ranked) 9 on the list The Most Immature Adult Celebs

10
487 166
Chris Brown is listed (or ranked) 10 on the list The Most Immature Adult Celebs
age 28

11
47 10
Trixie Mattel is listed (or ranked) 11 on the list The Most Immature Adult Celebs
toputime added

12
40 8
Roxxxy Andrews is listed (or ranked) 12 on the list The Most Immature Adult Celebs
toputime added

13
442 156
Paris Hilton is listed (or ranked) 13 on the list The Most Immature Adult Celebs
age 37

14
144 31
Farrah Abraham is listed (or ranked) 14 on the list The Most Immature Adult Celebs
ColinBoddy added age 26

15
339 153
Charlie Sheen is listed (or ranked) 15 on the list The Most Immature Adult Celebs
age 52

16
529 201
Nicki Minaj is listed (or ranked) 16 on the list The Most Immature Adult Celebs
age 35

17
424 160
Kylie Jenner is listed (or ranked) 17 on the list The Most Immature Adult Celebs
age 20

18
27 8
Carole Radziwill is listed (or ranked) 18 on the list The Most Immature Adult Celebs
toputime added age 54

19
506 168
Kris Jenner is listed (or ranked) 19 on the list The Most Immature Adult Celebs
age 62

20
24 7
Phi Phi O'Hara is listed (or ranked) 20 on the list The Most Immature Adult Celebs
carljr52910 added

21
405 148
Lindsay Lohan is listed (or ranked) 21 on the list The Most Immature Adult Celebs
age 29

22
23 9
Detox is listed (or ranked) 22 on the list The Most Immature Adult Celebs
age 32

23
378 269
Taylor Swift is listed (or ranked) 23 on the list The Most Immature Adult Celebs
age 28

24
232 137
Andy Dick is listed (or ranked) 24 on the list The Most Immature Adult Celebs
age 52

25
30 12
Rush Limbaugh is listed (or ranked) 25 on the list The Most Immature Adult Celebs
age 67

26
19 5
Alaska Thunderfuck 5000 is listed (or ranked) 26 on the list The Most Immature Adult Celebs

27
254 216
Shia LaBeouf is listed (or ranked) 27 on the list The Most Immature Adult Celebs
age 29

28
24 20
Pope Francis is listed (or ranked) 28 on the list The Most Immature Adult Celebs
nbytrezws3dr7r654 added age 81

29
62 38
Katy Perry is listed (or ranked) 29 on the list The Most Immature Adult Celebs
JohnWade1 added age 33

30
21 10
Kid Rock is listed (or ranked) 30 on the list The Most Immature Adult Celebs
age 47

31
174 175
Alec Baldwin is listed (or ranked) 31 on the list The Most Immature Adult Celebs
age 60

32
125 165
Johnny Knoxville is listed (or ranked) 32 on the list The Most Immature Adult Celebs

33
124 158
Jessica Simpson is listed (or ranked) 33 on the list The Most Immature Adult Celebs

34
174 200
Kristen Stewart is listed (or ranked) 34 on the list The Most Immature Adult Celebs

35
45 61
Kevin Hart is listed (or ranked) 35 on the list The Most Immature Adult Celebs
Natalie Yu added age 38

36
174 221
Britney Spears is listed (or ranked) 36 on the list The Most Immature Adult Celebs

37
100 151
Macaulay Culkin is listed (or ranked) 37 on the list The Most Immature Adult Celebs

38
66 29
Mariah Carey is listed (or ranked) 38 on the list The Most Immature Adult Celebs
JohnWade1 added age 48

39
128 184
Seth MacFarlane is listed (or ranked) 39 on the list The Most Immature Adult Celebs

40
14 24
John McEnroe is listed (or ranked) 40 on the list The Most Immature Adult Celebs
JohnWade1 added age 59

41
120 171
Lady Gaga is listed (or ranked) 41 on the list The Most Immature Adult Celebs
age 32

42
18 10
Iggy Azalea is listed (or ranked) 42 on the list The Most Immature Adult Celebs
age 27

43
31 5
Logan Paul is listed (or ranked) 43 on the list The Most Immature Adult Celebs

44
13 9
Gary Busey is listed (or ranked) 44 on the list The Most Immature Adult Celebs
age 73

45
25 4
Amy Schumer is listed (or ranked) 45 on the list The Most Immature Adult Celebs
age 36

46
173 220
Rihanna is listed (or ranked) 46 on the list The Most Immature Adult Celebs
age 30

47
7 10
Luke Bryan is listed (or ranked) 47 on the list The Most Immature Adult Celebs
age 41

48
19 7
Bella Thorne is listed (or ranked) 48 on the list The Most Immature Adult Celebs
age 20

49
5 16
Avril Lavigne is listed (or ranked) 49 on the list The Most Immature Adult Celebs
age 33

50
15 6
Lena Dunham is listed (or ranked) 50 on the list The Most Immature Adult Celebs
age 31