Kate Hudson has been making “sexy late-night phone calls” to new fling Alex Rodriguez.

The Bride Wars actress was was recently spotted in a liplock with the New York Yankees star at the Mustang Grill Restaurant in NYC are spicing up their rumored romance with steamy sessions of phone boning.

“Although Hudson is currently filming in Oklahoma, she and A-Rod keep their new love alive with sexy late-night phone calls,” a source told The NY Daily News this week.