Nick Lachey In The Arms of Another

According to In Touch magazine, the former 98 Degrees singer is dating Lizzie Arnold, a 28 year-old brunette.  A friend said, "They’ve been together for about a month."

Lachey and Arnold have been seen together in many different Los Angeles spots. 

As for Lachey’s ex, Jessica Simpson, yesterday it was revealed that she is dating Maroon 5 singer, Adam Levine.