The engaged couple were spotted out and about on Tuesday attending the TRIC Awards in London, the ceremony to celebrate those in the radio and television industries.
Making their much-anticipated arrival, Peter, 40, and his fiancée Emily looked completely in love and relaxed in each other's company.
GALLERY: Peter and Emily's romance in pictures.
The 23-year-old medical student took advantage of the spring weather and donned a sunshine yellow mini dress that showed off her amazing post-baby figure.
First-time mother Emily wore her long, brunette curls loose over her shoulders – a new look compared to her usual style of sleek, straight hair.
As the pair posed for photographs, embracing each other in front of the cameras, all eyes were on the stunning Emily and her diamond engagement ring. The monster rock was clearly on show as Emily posed placing her perfectly manicured left hand against her dress.
Wedding plans: Peter and Emily want two traditional weddings.
Once inside, the celebrations continued for Peter and Emily as the Mysterious Girl singer scooped the award for Satellite/Digital TV personality.
Peter posted a photo of himself gleefully clutching onto his silver trophy, and wrote the caption, "Three years running:) very very happy thank you Trick Awards :)))."
Speaking to HELLO! Online after the January birth of baby Amelia, father-of-three Peter gushed about his beautiful bride-to-be and how well she had taken on her new role as a mother.
"She's awesome," said Peter. "She's the best and just a natural."
Peter chats about his daily routine with baby Amelia.
He added that his two other children, Junior and Princess, from his previous marriage, were embracing the family's new addition.
"They're obsessed with her," said Peter. "The iPads have become redundant. There's no use for them now."