'You have to make sure the t**ties bounce correctly': Alexandra Daddario talks about recreating THAT Baywatch slow-motion run scene in the new film

She's in Australia to promote Baywatch.

And ahead of its premiere Thursday, Alexandra Daddario spoke about shooting the film's trademark slow-motion run.

Speaking with Smallzy's Surgery, the 31-year-old revealed it was all about finding 'the right bra' to make sure her breasts bounced flawlessly.

'Make sure that the t***ies bounce correctly': Alexandra Daddario discussed filming Baywatch's trademark slow-motion run ahead of its Australian premiere Thursday

'Make sure that the t**ties bounce correctly': Alexandra Daddario (pictured) spoke about filming Baywatch's trademark slow-motion run ahead of the Australian premiere on Thursday

Steal the spotlight in a high-low cocktail dress like Alexandra

Move over Pamela Anderson there's a new Baywatch babe in town. Alexandra Daddario is starring in the new movie and she headed to Australia to promote it.

The brunette beauty walked the red carpet at the event clad in a dress that was pulled from Lela Rose's Pre-Fall 2017 collection.

We adore the high-how hemline that showed off Alexandra's killer legs as well as the vivid marigold hue that's perfect for spring.

Alexandra teamed her flirty frock with a simple pair of black heels and let her dress steal the show. It's not yet available to purchase but Neiman Marcus has the brand's latest offerings up for grabs. Click the link opposite to shop now.

Otherwise peruse the gallery below for alternative styles.

* PRICES MAY NOT BE AS ADVERTISED

'You have to make sure that the t**ties bounce correctly,'  Alexandra said. 'Because one of them is bigger than the other, so you want them to bounce evenly.'

Speaking alongside co-star Zac Efron, the actress explained the film was trying to create a 'sexy and determined' look.

'You don't want to look stupid,' she continued. 'The first time I was trying way too hard. You have to look natural and normal.'

'One of them is bigger than the other, so you want them to bounce evenly': The 31-year-old revealed it was all about finding 'the right bra' to make sure her breasts jiggled flawlessly

'One of them is bigger than the other, so you want them to bounce evenly': The 31-year-old revealed it was all about finding 'the right bra' to make sure her breasts jiggled flawlessly

'You have to look natural and normal': Speaking alongside co-star Zac Efron (left), the actress explained the film was trying to create a 'sexy and determined' look with the slow-motion run

'You have to look natural and normal': Speaking alongside co-star Zac Efron (left), the actress explained the film was trying to create a 'sexy and determined' look with the slow-motion run

Alexandra also spoke about getting in shape before filming, having previously auditioned for the role in her swimsuit with Zac, 29.

'I wasn't in as good shape (then) as I was during the film,' she said, before explaining that things soon turned around.

'I was supposed to wear a shirt... and I did the first scene in the bathing suit and they were like, "You know what, just don't put anything else on. Do the rest of the audition in the bathing suit".'

'I wasn't in as good shape then': Alexandra also spoke about getting in shape before filming, having previously auditioned for the role in her swimsuit with Zac, 29

'I wasn't in as good shape then': Alexandra also spoke about getting in shape before filming, having previously auditioned for the role in her swimsuit with Zac, 29

Zac also laughed off rumours he and Alexandra were dating before they appeared at the red carpet premiere together.

'As far as I know she hasn't said yes,' the High School Musical star told News.com.au.

However, Alexandra agreed the romance rumour 'makes sense because (they) are love interests in the movie'. 

'As far as I know she hasn't said yes': Zac also laughed off rumours he and Alexandra were dating before they appeared at the red carpet premiere together

'As far as I know she hasn't said yes': Zac also laughed off rumours he and Alexandra were dating before they appeared at the red carpet premiere together

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