The model danced to Unforgettable by Nat King Cole with her partner Aljaz Skorjanec, and judges and viewers alike unanimously praised the stunning performance.
Daisy dazzled the judges
Darcey Bussell said that the performance sent "shivers down [her] back," while Craig Revel Horwood told them that they "danced it beautifully", despite also calling it "over-the-top" and "sickly sweet".
Len Goodman added: "I don't think I've seen a dance better than that for week one, ever!"
Daisy took the Twitter after the show, writing: "It wasn't a dream?! Thank you my perfect partner @aljazskorjanec for our unforgettable waltz... love you all with all of me @bbcstrictly."
Daisy and Aljaz scored 32 points, topping the leader board
Fans were also quick to praise the routine, with one writing: "Daisy Lowe. More like Daisy HIGH. BECAUSE SHE GOT A 9," while another wrote: "BEAUTIFUL I loved this, Alijaz always puts together the best waltz dances and Daisy dances beautifully, great pair #strictly."
The 27-year-old received 32 points for the waltz, while Louise Redknapp and Danny Mac were placed in joint second with 31 points a-piece.
Meanwhile, Ed Balls scored the lowest out of the 15 contestants, with just 21 points for his Westminster-themed waltz with his partner, Katya Jones. However, fans on Twitter appeared to enjoy his performance, with one writing: "Ed Balls can waltz me across Westminster Bridge anytime. What a gent."
Ed danced a Westminster-themed waltz
His partner Katya also praised him, tweeting: "Couldn't be prouder of my partner @edballs! Pulling off line like this after 2 weeks? Let's give him support because he deserves it.
"Truth is – the man who danced with me tonight is not the man who walked into the dance studio on day 1."