Shawn Mendes & Camila Cabello lead the Official Irish Singles Chart for a third week with Senorita

Post Malone scores this week's highest new entry, plus Westlife's When You're Looking Like That makes its chart debut 19 years after its release.

Shawn Mendes & Camila Cabello celebrate a third week at Number 1 on the Official Irish Singles Chart with their collaboration Senorita.

The track scores its biggest sales week yet, extending its lead over Ed Sheeran and Khalid’s Beautiful People to 2260 combined sales.

Meanwhile, Dermot Kennedy’s Outnumbered returns to its Number 3 peak, up one place, and Stormzy’s Vossi Bop rebounds to its personal best placement, rising two slots to Number 4.

This week’s highest new entry goes to US singer and rapper Post Malone – his new single Goodbyes with Young Thug debuts at Number 7.

MORE: Ireland's Official Top 50 biggest songs of 2019 so far

Westlife claim two new entries this week, one of which is 19 years old! When You’re Looking Like That from the band’s 2000 Coast to Coast album – previously not released as a single in Ireland - lands at Number 20, while their brand-new single Dynamite starts out at Number 27.

Miley Cyrus is this week’s highest climber with Mother’s Daughter, climbing eight rungs to Number 23, while Kygo & Whitney Houston’s Higher Love gains ground to Number 29, up seven places.

Dutch DJ Sam Feldt scores his first chart entry in nearly four years with Post Malone ft. Rani at 33. Finally, AJ Tracey claims his first two appearances on the Official Irish Singles Chart – Dave’s track Thiago Silva that he features on enters at 38, and Ladbroke Grove impacts at 41.

Listen to The Official Chart with Bláthnaid Treacy at 7pm every Friday on RTÉ 2FM.