The narrator says Jane is exactly 24 years, 8 months, and 17 days old when she and Michael reunite. From the previous episode, it is known that the date is February 21st, 2016. Based on this, Jane's birthday is on June 4th, 1991.
Paola claims that J.Lo had a stalker on the set of Maid in Manhattan; Tyler Posey, who played J.Lo's character's son in Maid in Manhattan, would later be in Jane the Virgin as a recurring character (Adam).