looks downcast as he leaves upmarket London restaurant

A sombre looking made an appearance in London on Wednesday evening amid clams he is 'bending over backwards' to repair his fractured marriage. 

The American star enjoyed a night out at legendary Indian restaurant Tamarind of Mayfair shortly after the promotional tour for new animated film continued in the English capital. 

But Timberlake's upmarket West End surroundings seemingly did little to lift his spirits as he exited the restaurant and made his way towards a waiting car later that night. 

Glum: sombre looking Justin Timberlake made an appearance in London on Wednesday evening amid clams he is 'bending over backwards' to repair his fractured marriage

Glum: sombre looking made an appearance in London on Wednesday evening amid clams he is 'bending over backwards' to repair his fractured marriage

The 39-year old looked smart in a black Tom Ford coat and matching scarf, teamed with casual slim-fitting jeans.

He added to his look with a black printed sweater, while white high-top trainers rounded things off.  

The versatile singer and actor is currently in the midst of a world tour on behalf of his new film, an animated musical comedy featuring the voices of Timberlake, ,  Zooey Deschanel and Russel Brand. 

Special appearance: The American star enjoyed a night out at legendary Indian restaurant Tamarind of Mayfair shortly after the promotional tour for new animated film Trolls continued in the English capital

Special appearance: The American star enjoyed a night out at legendary Indian restaurant Tamarind of Mayfair shortly after the promotional tour for new animated film Trolls continued in the English capital

Special appearance: The American star enjoyed a night out at legendary Indian restaurant Tamarind of Mayfair shortly after the promotional tour for new animated film continued in the English capital

Low key: But Timberlake's upmarket West End surroundings seemingly did little to lift his spirits as he exited the restaurant and made his way towards a waiting car

Low key: But Timberlake's upmarket West End surroundings seemingly did little to lift his spirits as he exited the restaurant and made his way towards a waiting car

Bit his personal life has overshadowed any professional commitments over recent months, with the star working on his marriage to actress Jessica Biel after being filmed looking close with a former co-star.  

The actor was seen holding hands with Alisha Wainwright, with whom he stars in forthcoming film Palmer, during a boozy night out in New Orleans in November. 

Timberlake has since been 'bending over backwards' to repair his marriage to Biel, 37, Us Weekly reports.  

Stylish: The 39-year old looked smart in a black Tom Ford coat and matching scarf, teamed with casual slim-fitting jeans

Finishing touches: He added to his look with a black printed sweater, while white high-top trainers rounded things off

Stylish: The 39-year old looked smart in a black Tom Ford coat and matching scarf, teamed with casual slim-fitting jeans

Making it work: Timberlake has been 'bending over backwards' to repair his marriage to Jessica Biel after being  filmed holding hands with a former co-star in November

Making it work: Timberlake has been 'bending over backwards' to repair his marriage to Jessica Biel after being  filmed holding hands with a former co-star in November 

The singer and actor has reportedly been sending her multiple texts and expensive items to show he cares. 

'He's bending over backwards to get Jessica to forgive him and to make sure he's there for her and Silas,' a source said, referring to their four-year-old son.

Justin was photographed holding hands with Alisha in November, while apparently not wearing his ring.

Recently, the Wonder Wheel star has been pulling out all the stops to patch up his marriage, including treating Jessica with 'flowers, massages and weekend getaways,' according to the insider.

'He's been sending Jessica lots of sweet texts and telling her she's the hottest wife

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