The singer gets candid about his response to being asked if he's bisexual.
The 32-year-old model will give birth to a baby boy next month.
The couples weren't the only ones at the star-studded soiree.
The actress died of cancer on Saturday, her agent said.
Schwarzenegger also got a birthday message from the couple's pigs!
Bieber and Jaden Smith also hopped on the mic at the event.
The rapper died on Sunday, less than a week after his 21st birthday.
The singer rang in 30 in a major way!
The award-winning actress is one of the five honorees being inducted into the Kennedy Center Honors this year.
Lachey guest co-hosted the ET broadcast on Friday.
A source tells ET that the recent reports about the actress are incorrect, and that she's living with her parents.
A source tells ET all six children will be with Angelina Jolie on Christmas Day.
See how many of these viral moments you remember!
The couple suffered a miscarriage in November.
