Tears, cheers, jeers: Kylie Minogue, Nicole, Selena Gomez

Kylie Minogue, 48, and her fiancé Joshua Sasse, 28. (Getty Images)

Kylie Minogue, Samuel L. Jackson and Nicole Scherzinger. (Getty Images)

Nicole Scherzinger performs on stage barefoot at the One For The Boys Fashion Ball at The V&A. (Getty Images)

Eva Herzigova (Getty Images)

(Getty Images)

Selena Gomez broke down in tears as she delivered a moving tribute to Christina Grimmie during her Miami concert. (Instagram)

The 23-year-old's voice cracked as she admitted she doesn't 'understand how this happened'. (Instagram)

Selena started crying while performing the song Nobody, and mouthed the words 'I'm sorry' to the audience. (Instagram)

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