Justin Timberlake and Jessica Biel play Scrabble for anniversary

Justin Timberlake and Jessica Biel have enjoyed a Scrabble date ahead of their wedding anniversary.

The 34-year-old actress took to Instagram on Friday to share the adorable image of the pair playing the word based board game, bragging that she had finally managed to beat her "undefeated" husband.

The caption on the photo read: "I played 'sardine' and got the 50 bonus points! Guess who is no longer undefeated...#scrabblebrag (sic)"

The couple - who share one-year-old son Silas Randall - will celebrate their fourth wedding anniversary on Wednesday, after they tied the knot in October 2012. Prior to their wedding, the duo were engaged for almost a year when the 'Cry Me A River' singer popped the question in 2011, following a brief split in their four-year relationship.

And the relationship hasn't shown any signs of slowing down now that they're married, as Justin, 35, recently confessed he had a new found "appreciation" for both his wife and their son.

He said: "I have this new appreciation for both of them, her and him. It's humiliating and humbling at the same time. You watch her realise she has a gear she [thought she] didn't have and then you go, 'Woah, yeah.'"

The 'Total Recall' actress agrees with Justin's feelings about their family, saying she feels like she "can do anything".

She said previously: "I definitely have that unit feeling - it's a good feeling, isn't it? It's very insular, and it feels like, you against the world, and you can do anything. It's kind of like that aspirational feeling I guess."

Justin even believes his relationship with Jessica and their son has had a positive influence on his career, as he previously admitted he "would never have written" written hit single 'Can't Stop The Feeling' if he wasn't a father.

He said: "I would have never written a song like 'Can't Stop the Feeling!' [if I wasn't a father].

"I don't know that it was directly inspired to be something that my son could listen to of mine, because there's a lot of music he can't ... at least not yet ... [but he was an influence]."

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