While his girlfriend is busy promoting her latest movie in Europe, Sean Penn decided to take the opportunity to enjoy a boys’ night out.

The 54-year-old actor, who is dating Hollywood beauty Charlize Theron, joined forces with close pal Bono for a few beverages and some tasty treats on Tuesday evening.

Ready to for a catch-up, the stars were seen arriving solo at celebrity hotspot Craig's Restaurant in West Hollywood.

Scroll down for video

Kicking back: Sean Penn enjoyed a night out at Craig's Restaurant in West Hollywood, on Tuesday evening

The Oscar-winning actor cut a casual yet stylish figure in black denim jeans and a navy polo-shirt, which he teamed with a slick khaki coloured jacket.

Bono, also 54, looked smart in a brown leather jacket with long sleeves, black trousers, a matching T-shirt and shiny shoes.

Sated and content, the pair appeared to be in great and relaxed spirits as they made a swift exit from the trendy eating place.

In good company: The Hollywood actor was joined by close pal Bono

Keeping his cool: The U2 frontman looked smart in a brown leather jacket with long sleeves, black trousers, a matching T-shirt and shiny shoes

City chic: Sean, 54, cut a casual yet stylish figure in black denim jeans and a navy polo-shirt, which he teamed with a slick khaki coloured jacket

Meanwhile, it’s been widely speculated that Sean and his partner Charlize have taken their relationship to the new level and are now engaged.

However, Sean seemingly dodged marriage questions when he appeared on Good Morning America last week.

According to E! News, the Mystic River star was asked if he planned on tying the knot with his famous girlfriend but he bluntly responded: 'I have no idea.'

Make way: The Irish singer was seen making a swift exit with bodyguards

Sated and content: The pair appeared to be in great spirits as they left the trendy eating place together

Good friends: The two stars have developed a close friendship over the years and are often seen pictured out together

Rumours have been swirling about the couple's status for weeks, especially when Us Weekly reported in January that Sean had filed to adopt Charlize's son Jackson.

The Hollywood lovebirds have remain mum on the topic, and Charlize certainly has other things to focus on, what with her busy schedule of filming, which goes into 2016.

She is gearing up for the release of upcoming thriller Dark Places, by the author who penned Gone Girl, as well as Mad Max: Fury Road, and drama The Last Face, which are all due out in 2015.