The longtime duo, who went public with their romance in November, stayed close during a private tour of Christian Boros’ private art collection in the city’s central district, Mitte.

After visiting the World War II bunker-turned art gallery, which holds an expansive collection of contemporary art, the group opted for dinner just a few blocks away.

Relaxed: Keanu Reeves was joined by his girlfriend Alexandra Grant for an afternoon exploring Berlin’s flourishing cultural scene, alongside his The Matrix 4 co-stars on Thursday

For his outing, the 55-year-old esteemed actor sported a grey pinstripe suit and a laid-back graphic t-shirt.

As the Hollywood vet embraced his salt-and-pepper hair and beard, he looked at ease, while chatting away on his cellphone.

Meanwhile, Grant, 47, donned a black leather jacket and kept her naturally grey tresses in a sleek bun.

Casual: For his outing, the 55-year-old esteemed actor sported a grey pinstripe suit and a laid-back graphic t-shirt. He looked relaxed as he chatted away on his cell phone

Au naturel: Grant, 47, donned a black leather jacket and kept her naturally grey tresses in a sleek bun

Ever since Reeves and Grant went public, there has been much speculation about when they first started dating.

The pair have been friends for around a decade, and it’s been reported that Keanu wanted the romance to be out in the open.

Grant is his first known girlfriend since Jennifer Syme, who tragically died in a car accident in 2001 less than four months after delivering the couple’s stillborn baby.

Exploring: After visiting the World War II bunker-turned art gallery, which now holds a collection of contemporary art, the group opted for dinner just a few blocks away

Longtime pals: Ever since Reeves and Grant went public, there has been much speculation about when they first started dating

No secrets: The pair have been friends for around a decade, and it’s been reported that Keanu wanted the romance to be out in the open.

They previously collaborated together on the adult picture book, Ode to Happiness, in 2011, and again, five years later, for Shadows.

Reeves recently resumed filming the Matrix 4, after production was halted in March due to the coronavirus pandemic.

Production began in early January with Lana Wachowski returning as a writer and director for the sci-fi thriller set for a 2021 release.

Back in action: Reeves recently resumed filming the Matrix 4, after production was halted in March due to the coronavirus pandemic