1. 

   7 months ago

   GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

   GigglyGuruLol
2. 

   9 months ago

   Grumpy Cat Sings Happy Birthday to you!!

   FunnyWackyDay
3. 

   9 months ago

   GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

   RadiantSmile
4. 

   10 months ago

   GRUMPY CAT SINGS HAPPY BIRTHDAY (FUNNY)

   kittychicky420
5. 

   10 months ago

   GRUMPY CAT SINGS HAPPY BIRTHDAY TO YOU

   videopost
6. 

   7 months ago

   GRUMPY CAT HAPPY BIRTHDAY SONG🙀 (TOO FUNNY)😹

   Elham995
7. 

   6 months ago

   GRUMPY CAT HAPPY BIRTHDAY SONG

   animal world
8. 

   5 months ago

   GRUMPY CAT HAPPY BIRTHDAY SONG

   elbazyi
9. 

   3 years ago

   Grumpy Cat Sings Happy Birthday To You - Funny

   klash5
10. 

    2 months ago

    Grumpy Cat's Hilarious Happy Birthday Song 🎶😹🎂🎁

    nayshabour
11. 

    10 months ago

    Hilarious Grumpy Cat Birthday Serenade - MUST SEE!

    verklasa
12. 

    11 months ago

    Grumpy Cat Happy Birthday song FUNNY

    ThatDigitalDose
13. 

    1 year ago

    GRUMPY CAT HAPPY BIRTHDAY SONG

    Rvv00
14. 

    1 year ago

    GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

    Funnytimewithsaji
15. 

    2 years ago

    GRUMPY CAT HAPPY BIRTHDAY SONG

    My cat will hate me for this
16. 

    2 years ago

    Grumpy Cat Sings Happy Birthday for you!! 😻🍰🎁🎈🎉

    tijoch
17. 

    9 months ago

    GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

    vibard
18. 

    11 months ago

    GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

    Love Of Cats
19. 

    10 months ago

    GRUMPY CAT HAPPY BIRTHDAY SONG

    kardanoleg
20. 

    1 year ago

    GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

    momlifewithlauren
21. 

    1 year ago

    GRUMPY CAT HAPPY BIRTHDAY SONG

    Dmitry89
22. 

    1 year ago

    GRUMPY CAT HAPPY BIRTHDAY SONG (TOO FUNNY)

    Kitty's VLOG
23. 

    6 months ago

    Grumpy cat sings happy birthday!

    Catsaredope