They are celebrated for having one of the best ‘bromances’ in Hollywood.

And Sir Patrick Stewart made sure he was on hand to support his very good friend, Sir Ian McKellen, at the premiere of Mr Holmes on Wednesday evening.

The best friends were pictured sharing a loving kiss on the ‘cobblestone carpet’ created at the Odeon cinema in High St Kensington in London.

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Hello old friend: A huge display of affection took place between Patrick Stewart and Sir Ian McKellen on the ‘cobblestone carpet’ created at the Odeon cinema in High St Kensington in London on Wednesday

Sir Patrick, 74, made his way to the event with his gorgeous wife Sunny Ozell, 36, but soon left her side to greet his close friend with a passionate embrace.

Patrick and Ian have been friends for years and Sir Ian actually officiated Patrick and Sunny’s picturesque Lake Tahoe wedding in 2013.

Sir Ian and Sir Patrick have famously starred together in the extremely successful X-Men franchise, but on Wednesday night it was Sir Ian’s time to shine.

Showing their support: Sir Patrick Stewart - joined by his wife Sunny Ozell - made sure he was on hand to support his very good friend, Sir Ian McKellen, at the premiere of Mr Holmes on Wednesday evening

Come here, you: The pair were seen sharing a loving kiss when they saw each other on Wednesday evening

Group hug: Sunny was seen putting her arms around the pair as they shared a warm embrace

Best friends forever: Sir Ian and Sir Patrick have famously starred together in the extremely successful X-Men films but on the night it was Sir Ian’s time to shine

The cinema was transformed into Baker Street thanks to the cobblestone effect carpet as Sir Ian was joined to celebrate the film with his co-star Laura Linney and director Phil Condon.

The film sees Sir Ian, 76, portray Sherlock Holmes as an elderly bee keeper, who at age 93 has long-since retired from detective work.

It is set in 1947, as McKellen's Sherlock lives out his final years in a remote Sussex farmhouse with Mrs. Munro, and her young son, Roger, played by newcomer Milo Parker.

Catching up: The cinema was transformed into Baker Street thanks to the cobblestone effect carpet as Sir Ian was joined to celebrate the film with his co-star Laura Linney and director Phil Condon

All smiles: The film sees Sir Ian, 76, portray Sherlock Holmes as an elderly bee keeper, who at age 93 has long-since retired from detective work

Happy couple: Sir Patrick made his way to the event with his gorgeous wife Sunny Ozell, 36, but soon left her side to greet his close friend with a passionate embrace

However, the crime investigator can't help but reflect back on his life's work, unable to let go of an unsolved case involving a beautiful woman from his past.

There have been several Sherlock spin-offs in recent years, including the incredibly popular BBC series starring Benedict Cumberbatch as the legendary detective, and CBS's Elementary, set in modern day New York, starring Jonny Lee Miller as Sherlock and Lucy Liu as a female Dr Watson.

Mr Holmes is due for release on June 19.

All the big moments: Patrick and Ian have been friends for years and Sir Ian actually officiated Patrick and Sunny’s 2013 picturesque Lake Tahoe wedding

Feel the love: Patrick and Sunny - a 36-year-old singer-songwriter from Brooklyn - have been together since 2008

Arriving in style: Laura Linney dressed in an elegant black-and-white wrap dress and black suit trousers at the UK premiere of Mr Holmes in London

Sack the stylist: British tennis player Katie Boulter opted for a bizarre combo of cut-off denim hotpants, golden strappy heels and an unusual purple and metallic crop top

Shining on: Hattie Morahan, who plays Ann Kelmot in the film, looked lovely in a metallic two-piece