Speculation on their back together sparked soon as they were spotted leaving a German nightclub together. That's not all, as earlier this week the pair was seen leaving the China Club in Berlin, where they had been partying with a number of other celebrities.
It is reported by local media that Portman and Bernal climbed into a limousine and drove to the Ritz Carlton hotel together. So are they or aren't they? Time will tell.
Portman, a Golden Globe-winning, Academy Award-nominated Israeli-American actress, and Bernal, a Mexican actor, parted ways in 2004 after dating for a year.