'What does one even begin to say about this incredible woman?': Ruby Rose gushes about best friend Taylor Swift on social media as she wishes the singer a happy birthday

She's part of Taylor Swift's infamous girl 'squad'.

And Ruby Rose took to Instagram on Wednesday, posting a heartfelt tribute to the singer on her birthday.

The 30-year-old gushed about 27-year-old Taylor, captioning a snap of the two of them on the red carpet: 'What does one even begin to say about this incredible woman?' 

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Heartfelt: Ruby Rose (L) 30, took to Instagram on Wednesday, wishing best friend Taylor Swift (R) 27, a happy birthday with a snap of the two of them on the red carpet, captioned: 'What does one even begin to say about this incredible woman?' 

'What does one even begin to say about this incredible woman?' Ruby began the caption.

'Happy birthday to one of [the] most incredible, loyal, loving and generous human beings I've ever met.

'You are an amazing friend and I wish you nothing but the most amazing day. You deserve so so so much joy today and forever more, just like the joy you bring to others. xoxo,' the actress continued. 

Ruby uploaded a snap of her and Taylor on the red carpet at the 27th Annual GLAAD Media Awards in Beverly Hills, California, in April this year. 

Gushing: The Orange Is The New Black star went into detail in her Instagram caption, describing Taylor as 'one of the [the] most incredible, loyal, loving and generous human beings'

Firm friends: Ruby uploaded a snap to Instagram of her and Taylor on the red carpet at the 27th Annual GLAAD Media Awards in Beverly Hills, California, in April this year

This is not the first time Ruby has gushed over Taylor.

Over the Independence Day Weekend in July this year, the former MTV Australia presenter shared a sweet snap to Instagram, while describing Taylor as one of the 'most amazing and kind' people she has met.

Wearing a white vest and sleeveless denim jacket, Ruby looked effortlessly cool as she posed alongside the world-famous singer.

Her chest and sleeve tattoos were clearly visible as she placed her arm behind Taylor's back.

She's a fan: Over the Independence Day Weekend in July this year, Ruby shared a sweet snap to Instagram, while describing Taylor as one of the 'most amazing and kind' people she has met

The singer donned a black and white gingham crop top in the Instagram snap and draped her arm around Ruby's shoulder.

With her blonde locks curled in loose waves, she looked happy and relaxed as she cuddled up to Ruby.

She completed her look with her trademark slick of red lipstick and wore Ray-Ban sunglasses. 

Playful! The former MTV Australia presenter was seen having the time of her life with Taylor during the fourth of July celebrations this year

Famous faces: Ruby was captured enjoying the fourth of July celebrations with Taylor, as well as Cara Delevingne (far left), 24, and Gigi Hadid (far right), 21

Last month, Ruby also revealed that Taylor gave her nod of approval to the star's new blossoming relationship with The Veronicas' Jessica Origliasso, 31.

Speaking to news.com.au, Ruby admitted that she tells her best friend 'everything' that goes on in her private life.

'I talk to her [Taylor] about everything and everyone,' she said. 

Fame: Ruby became a household name in the US after appearing as Stella Carlin in Netflix series, Orange Is The New Black

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