The 35-year-old actor was seen walking only a few paces behind the 26-year-old actress.
Earlier in the day, Ian and Nikki got their hearts pumping at a gym workout in L.A.
“[Nikki and Ian are] smitten with each other and love spending time together,” a close source recently shared to E! News.
10+ pictures inside of Ian Somerhalder and Nikki Reed leaving her home… More Here! »