ET's Lauren Zima spoke with the parents-to-be at IndyCar and Acura's Grand Prix of Long Beach.
The pair tied the knot in Hawaii on Saturday.
The former 'Bachelor' wed Burnham on Jan. 12 in Maui, Hawaii.
The couple got engaged on 'After the Final Rose' in March, just one day after fans watched Luyendyk's breakup with Becca Kufrin.
The 'Bachelor' couple are saying their "I dos" on Saturday in Maui. Here's everything we know about the big day.
The couple announced their pregnancy in November -- and will tie the knot next week!
'Twas a big year for our favorite dating franchise!
From royal weddings and babies to surprising splits, rehab stints and TV scandals, there wasn't a dull moment in 2018!
The longtime 'Bachelor' host addresses rumors that the couple isn't on good terms with the show.
ET caught up with Harrison at KIIS FM's iHeartRadio Jingle Ball presented by Capital One.
The longtime 'Bachelor' host also reveals what about the couple caught him 'off guard.'
The 'Bachelor' couple announced their pregnancy earlier this month.
The 'Bachelor' couple enjoyed a jam-packed weekend at The Venetian Resort in Las Vegas.
The lovebirds enjoyed a fun-filled weekend in Sin City with their closest friends.
