The former One Tree Hill star began dating Whelan last year (13) after they met on the set of upcoming action film Left Behind.
The pair reportedly split earlier this month (May14) following a six-month romance and Whelan has been seeking comfort with her friends.
She posted pictures on Instagram.com of herself on America's Memorial Day (27May14) surrounded by a large group of pals, including John Stamos, former 90210 actress Annalynne MCCord and her actor boyfriend Dominic Purcell.
In the caption, Whelan writes, "The most beautiful day in the hills with loved ones," and on Twitter.com she adds, "The La family... It doesn't get better than this."