also on wango tango, meghan trainor.e's in full wedding planning mode. ♪ why you kt aing like you never met a baby ♪ >> what about wedding plans? >> think i'm going to be casual. in my backyard. i got great yard. ♪ have you lost your mind we might just chill and have a barbecue. >> no official date yet for those i dos with daryl sabara. >> father's day coming up. >> i forgot. got to get on that. it's also daryl's birthday. i have to figure out what to do for him. he's difficult. >> who are you excited to see? ♪ back street's back all right back street boys. >> bs performed their new single, "don't go breaking my heart." ♪ baby don't go breaking my heart breaking my heart ♪ ♪ it's the only one i got >> it's the only one i've got and it's broken now. >> as for the lyrics to their classic, i want it that way, chrissy teigen posted online asking what is it? ♪ i want it that way >> it just worked. it's something different to everyone. >> i love it. >> some of the greatest songs mean nothing. >> it's from her husband every nil

i saw her at wango tango.rrot engagement ring may have impressed meghan trainor. it was our mom my to be that had host fergie gushing. >> yeah, yeah, yeah whoo! are you ready to get things going tonight? >> she's been balancing work and being a single mom. she says her ex, josh duhamel, has helped it work. >> we split it up. really balanced. just so he gets a good balance. we're all loved. i have a good co-parenting partner. we work it put. >> and dj khaled is partnering up with his buddy justin bieber. >> you posted with justin bieber. >> i'm working on my new album. me and justin bieber. we definitely got something in the works. >> but as "the four" team heads to tend of season two, will there be a season three? >> we're halfway through the season now. >> half time. >> i got ka ask already. season three? [ crickets chirping ] >> um -- i -- i believe there's going to be a season three. but, you know, we gotta see what fox feels. to be honest. >>> coming up -- can derek hough teach a bear to dance? only we hav