On the season finale of 90210, viewers saw Ivy, played by Gillian Zinser , book a one-way ticket to Mexico City to  be with Diego. Now it looks like her stay will be permanent.

According to TVLINE.com, Zinser will not be returning to the CW series as a cast regular. A rep for the network says Zinser will return as a guest star, although it’s unclear for how many episodes.

Zinsr joined the cast of 90210 during its second season. Season 5 of 90210 premieres in the fall.