Christina Aguilera and ex-husband, Jordan Bratman reunited on Halloween to take their son to a cosume party in Los Angeles. 

In other news, Britney Spears and Joe Jonas heated things up on stage. 

No really.

Find out more in today's Hot Links.

GOSSIPCENTER: Christina Aguilera Halloween Party Dual-Parenting

CELEBUZZ: Britney Spears Straddles Joe Jonas During Strip Tease (PHOTOS)

JUSTJARED: Robert Pattinson Technically Married?

ZAP2IT: TV Ratings: Brian Williams' 'Rock Center' Starts Quietly, Others Down on Halloween

X17ONLINE: Miranda Kerr Whips us Into Submission on Halloween