Miley Cyrus posted a birthday message for her fiance Liam Hemsworth on her Instagram account. In celebration of the actor's 27th birthday, she posted an Instagram photo of them together. The caption tells what the "Hunger Games" actor is in her life.

It says, "Happiest birthday EVER to my favorite being EVER EVER EVER!" She added, "You have been my best friend since the day we met...I am beyond lucky to share sooooo many animals with you!!! I love you @liamhemsworth."

Now the secret to the happy relationship is out! Lots of pets that they share and care together make them stick. But how many pets can ensure a lasting relationship? Well, for "The Last Song' stars 17 pets composed of a pig, a fish (gone already), some cats and dogs (few have died also) love is sharing pets together as reported by Teen Vogue.

Last month, Miley Cyrus celebrated her birthday and her fiancé gave her a personalized gift boxed in a specially crafted cover says Billboard. The Instagram post was captioned, "Look at datttt Rainboooowwww rock! You always know how to make my 'grubby little kid fingers' *SHINE*!!! (P.S. please take notice of that beautiful packaging!!!! )."

She also posted a photo of another gift form Hemsworth captioned, "Best bday evaaaaaa!!!!!!! Thank you my loooooove ❤️."

The saying that goes, "Love is lovelier the second time around," is true with the 24-year-old singer and Chris Hemsworth's brother. Their relationship has gotten serious that they have already enjoyed spending time with their respective families. The engaged couple spent Christmas with the Hemsworths and the Cyruses together.

Liam Hemsworth and fiancee Miley Cyrus is reported to have taken care of the wedding planning with the help of her family.  It seems that wedding bells will be ringing anytime soon.