Aspiring model/actress Alexis Knapp
reportedly claims that her unborn baby, due in June, was fathered by actor and Reese Witherspoon-ex Ryan Phillippe
. Phillippe and Knapp dated on and off for a few months last summer, apparently breaking up for good in September 2010.
According to tabloid sources, Knapp is confident that Phillippe is the father. Other sources indicate that Phillippe acknowledges the possibility and will take a DNA test