This week on “Dancing with the Stars” six remaining couples perform tow dances to the music of Boy Bands and Girls Groups. Special guests Joey Fatone will serve as a guest judge.

The night gets started with group performances to Girl Groups and Boy Bands including N’Sync alum and DWTS season four runner up Joey Fatone. Joey had a wardrobe malfunction during the dance.

James and Emma get the competition started off with a Jive to the Pointer Sisters hit “I’m So Excited”. After some arousing applause, Len noted that learning two dances is tough; adding that he was “good”. Joey said that James makes it look easy; adding that James is consistent. Bruno said that they are on a roll; but would have like a little more pump in the legs. Carrie Ann said that again James made it look effortless; adding that they did some really cool moves. James and Emma scored 36 points for their dance.

Sean and Jenna who is still standing in for Lindsay with an Argentine Tango to the music of Destiny’s Child. Joey noted that Sean was “N’Sync”, from the waist up his frame was good but lacked fluidity. Bruno noted that Sean tried very hard; saying that it was more of an Argentine struggle. Carrie Ann appreciated the effort but noted that the artistry is missing. Len said that the best thing about the dance is that it wasn’t very long; adding that Sean was just walking about. Sean and Jenna scored 26 points for their dance.

Hannah and Alan danced a Salsa to “No Scrubs” by her favourite girl group TLC. Bruno said that it was good to see Hannah’s confidence improve with each dance, but she lost the timing a bit in the dance. Bruno called her a star attraction. Carrie Ann loved the attitude and the turns but the lifts were a bit out of sorts. Len liked the lifts but noted she occasionally got ahead of the music. Joey noted that the lifts were a little sloppy. Hannah and Alan scored 32 points for their dance.

Ally and Sasha Samba to the music of the Spice Girls. Carrie Ann called the performance amazing; adding that the way they dance together is incredible and perfectly in sync. Len said that there was plenty of recognizable Samba steps and plenty of technique. Joey said that Ally did an amazing job. Bruno said that he wanted more of that; adding it was a proper, technically right Samba. Ally and Sasha scored 40 points for their dance to earn a perfect score the second week in a row.

Lauren and Gleb dance a Quickstep to the music of The Supremes hit “Can’t Hurry Love” with Mary Wilson in the audience and earned a standing ovation. Len loved some of the dance moves; adding that it was lovely. Joey noted that it isn’t easy to do the dance but agreed with Len on a few missteps. Bruno said that they captured the timelessness of the song; but also noted a few mistakes. Carrie Ann said that it was fantastic with a lot of content; adding that she loved it. Lauren and Gleb scored 34 points for their dance.

Finishing out round one Kel and Witney dance a Paso Doble to the music of En Vogue. Kel’s performance had the house of their feet. Joey said that Kel did an amazing job Bruno called the dance a Paso task force; adding that he gave them power. Bruno said that he was overwhelmed by the power. Carrie Ann thought that the dance was small; saying that he needed to dance bigger. Len said that there were too many gimmicks and not enough Pas in his world. Kel and Witney scored 34 points for their dance.

Girl Group Scores:
Sean and Jenna – 26
Hannah and Alan – 32
Lauren and Gleb – 34
Kel and Witney – 34
James and Emma – 36
Ally and Sasha – 40

James and Emma kick off the Boy Band round with a Jazz routine to Joey and his band mates N’Sync and brought the house to their feet. Len said that there was too much of a Boy Band and not enough together dancing. Disagreeing with Len, Joey said that if he could give a100 he would; adding that it was amazing. Bruno noted there could have been a bit more attention to his partner, but James did his thing. Carrie Ann said that James give 300 percent every time he performs. James and Emma scored 36 points for their dance which included a 10 from Joey.

Hannah and Alan return for a Tango to the music of Korean boy band BTS. Joey said that it was the best dance of the night. Bruno called the dance pure undiluted passion with elegance; adding that the lines were splendid. Carrie Ann noted that there was pressure every week and thanked Hannah for bringing back her A game. Len called the performance well done. Hannah and Alan scored 39 points for their dance.

Sean and Jenna return for a Foxtrot to the music of One Direction. Bruno noted that there were no surprises. Bruno noted that Sean presented well but the dance was clunky. Carrie Ann noted that Sean lost his step; adding that he is doing the best he can. Len said that it flowed, then spluttered with a couple of drips, flowed, and then stopped. Joey noted that Sean always gives 110 percent. Sean and Jenna scored 24 points for their dance.

Lauren and Gleb return for a Rumba to the music of the Backstreet Boys. AJ of the Backstreet Boys comes to visit Lauren in rehearsals. Carrie Ann noted that Lauren has come so far; adding that her growth has been phenomenal. Len noted that Lauren’s dances was at both ends of the spectrum. Joey said based on the song, he would give it a zero, but the dancing was amazing. Bruno called the dance smokey, sultry, and saucy; adding that Lauren is hot. Lauren and Gleb scored 36 points for their dance.

Kel and Witney dance a Viennese Walts to the music of Boyz II Men. Len thought the dance was terrific; adding that it was a really polished performance. Joey said that they did a great job. Bruno said that Kel danced like a perfect gentleman; leading with such flow. Bruno called the pair sensational. Agreeing with her fellow judges, Carrie Ann added that Kel took her direction from the last dance. Kel and Witney scored 40 points for their dance.

In the final dance, Ally and Sasha perform a Jazz dance to the music of New Kids on the Block. Joey said that the energy was amazing and so much fun. Bruno said it felt like an end to an awards show; adding that Allly reminded him of Paula Abdul. Carrie Ann called the dance fun and amazing. Len noted that Ally has a bubbly personality and the dance reflected that. Ally and Sasha scored a second perfect scored of 40 for their dance.

Boy Band scores:
Sean and Jenna – 24
James and Emma – 36
Lauren and Gleb – 36
Hannah and Alan – 39
Kel and Witney – 40
Ally and Sasha – 40

Total scores:
Sean and Jenna – 26 + 24 = 50
Lauren and Gleb – 34 + 36 = 70
Hannah and Alan – 32 + 39 = 71
James and Emma – 36 + 36 = 72
Kel and Witney – 34 + 40 = 74
Ally and Sasha – 40 + 40 = 80

And after all of the votes have been added and the scores have been tallied…
Ally and Sasha are safe and will be dancing in the semi finals
Kel and Witney are also safe and in the semi finals
James and Emma are safe and in the semi finals
Hannah and Alan are also safe.

Lauren and Gleb and Sean and Jenna are in the bottom two.

Carrie Ann saved Lauren and Gleb
Bruno saved Lauren and Gleb

Sean and Jenna have been eliminated.