Leonardo engaged to Bar Refaeli?

With Valentine's Day just past away, it would have been the perfect opportunity to get down on bended knee. So the question is, has Leonardo DiCaprio proposed to his on-off girlfriend Bar Refaeli and if the shiny gold ring on her engagement finger is anything to go by, it could be the case. (AP)

The Israeli model, 24, was spotted with the sparkler as she dined with Leo and his mother at the charity gala dinner at the Berlin International Film Festival. A newspaper reported that the Hollywood star proposed to Bar in the Hotel de Rome on Valentine's Day. Later that day, the pair shared a romantic evening meal at the city's Grill Royal restaurant. (Getty Images/Andreas Rentz)

Later, Leo's German mother Irmelin, 65, joined her son and Bar at the Cinema for Peace Gala 2010 charity dinner. (Getty Images/Andreas Rentz)

Leonardo DiCaprio's on-off girlfriend Bar Refaeli flashes what appears to be an engagement ring during a charity dinner at the Berlin Film Festival. (Getty Images/Andreas Rentz)

A source told that the couple got engaged in a secret engagement party. The source also said that the small party was for just a small group of close friends and family. (REUTERS/Tobias Schwarz)

The guests were treated to fine chocolates before the couple announced their engagement with a champagne toast. The couple began dating last year after Leonardo split from model Gisele Bundchen. Victoria's Secret model Bar divorced her first husband in 2005. (AFP)