Leonardo DiCaprio pictured with Rihanna in couple's first photo

The first photo of Leonardo DiCaprio and singer Rihanna as a couple surfaced online early on Monday.
The snapshot -- posted to Twitter by TMZ -- shows the 40-year-old actor standing next to the Barbadian singer, 27, at her birthday celebration.
DiCaprio helped organize the singer's birthday bash at a private home in Beverly Hills on Feb. 19.
The stars have reportedly been seeing each other since January.
Sources who attended Rihanna's celebration told TMZ the two engaged in "plenty of public display of affection" and the singer was "following DiCaprio everywhere."