Charles Sykes, AP
Simpson and Piazza were snapped by the paparazzi walking arm-in-arm on the red carpet for the HBO show, confirming rumors of their romance, which was speculated after shutterbug spies caught the twosome swapping smooches in New York back in June.
Simpson filed for divorce from her now-estranged husband, Fall Out Boy rocker Pete Wentz, back in February. The ex-couple have a two-year-old son, Bronx, together. So, we're guessing Ashlee must have been too busy building her new romance with her 'Boardwalk' beau to have really given Pete that rumored desperate drunk dial.
As for Pete's love life, he is rumored to have reunited with his pre-Ashlee ex, actress Michelle Trachtenberg.
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