New York, Oct 24 - Actor Ryan Reynolds, who turned 35 Sunday, spent his birthday weekend with his "Green Lantern" co-star Blake Lively in Boston.

The duo were spotted taking a stroll with their dogs outside an apartment in Boston, where Reynolds is filming the action film "R. I. P. D".

"They are very much a couple. They're really happy together," people. com quoted a source as saying.

Lively, 24, recently split from Leonardo DiCaprio after a brief romance, and Reynolds is still friendly with his ex, Scarlett Johansson. (IANS)