Northampton will take on Stade Francais for a place in next season's European Champions Cup after beating Connacht in the play-off semi-final.
Munster finish top of the Pro12 table by running in seven tries as they beat Irish interprovincials Connacht.
Ulster backs Ruan Pienaar and Charles Piutau are named in a Munster-dominated Pro12 team of the season.
Scarlets secure their place in the Pro12 play-offs with a dominant first-half display against Connacht in Galway.
Audio & Video
Highlights as Pro12 champions Connacht beat Newport Gwent Dragons in Galway.
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