The Blues beat Cheltenham 6-1 on the final day of the campaign to be crowned champions, having only topped the table for 32 minutes throughout the entire season.
Scroll down and click through the pages to see all the best celebratory pictures from the day...
21. Pompey celebrate their dramatic League Two title triumph
Kyle Bennett is lifted up by Leam Richardson. | Freelance Photo: Joe Pepler
22. Pompey celebrate their dramatic League Two title triumph
Pompey players and staff celebrate in the dressing room. | Freelance Photo: Joe Pepler
23. Pompey celebrate their dramatic League Two title triumph
Ian McInnes and Kyle Bennett hug in celebration. | Freelance Photo: Joe Pepler
24. Pompey celebrate their dramatic League Two title triumph
Kyle Bennett leads the celebrations. | Freelance Photo: Joe Pepler
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