Jon Gosselin and ex-wife Kate are both waving their white flags.

An insider tells Us Weekly that the once-warring duo "are speaking cordially" a year after their split. The 33-year-old dad recently dropped his battle for full custody of their eight kids and "is trying to keep the peace with Kate," the insider adds.

In this week's Hot Stuff video, Senior Editor Ian Drew -- plus witty celeb stylist June Ambrose -- reveal how else Jon is placating Kate. (Hint: no more junk food!)

The roundup also delves into a shocking twist in Saved by the Bell star Mark-Paul Gosselaar's split: according to a source, his estranged wife Lisa Ann Russell has moved on to Survivor host Jeff Probst!

Plus: Audrina Patridge's DWTS dreams, Sarah Ferguson's post-bribery scandal getaway, the Madonna-Gwyneth split, and more.

Watch the video now (above)!