Danielle Knudson watches Milos Raonic lose tennis match

She's the blonde stunner whose modelling profile was given a boost when Justin Bieber singled her out on Instagram in 2014.

But on Wednesday Danielle Knudson had no such luck boosting her boyfriend Milos Raonic's prospects by appearing courtside at one of his tennis matches. 

The 28-year-old Guess model watched on as her Canadian tennis beau was beaten by 18-year-old Australian Alex de Minaur in a shock upset at the Brisbane International.

Better luck next time! Guess model Danielle Knudson watches tennis beau Milos Raonic get knocked out of the Brisbane International by teenager Alex de Minaur

Better luck next time! Guess model Danielle Knudson watches tennis beau Milos Raonic get knocked out of the Brisbane International by teenager Alex de Minaur

Danielle was dressed casually for her evening courtside appearance at the Pat Rafter Arena. 

The leggy wore a black slip dress, pairing it with white sneakers and a jacket tied around her waist.

Wearing her long blonde locks out, Danielle showed

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