The man behind Blake Lively and Amal Clooney's epic 'dos , Rod Ortega, on how to nab the iconic (and seemingly out of reach) 'Blake' beachy wave, step by fabulous step.

1. Give It A Good Old Wash

'I always start with a really nice shampoo and conditioner that aren't too astringent and won't take out any texture from Blake's hair. I don't like to use too many products so keeping her hair's natural texture is key. I'm in love with L'Oreal Paris products. They make a good all-around shampoo and conditioner that's not so stripping and very gentle.'

2. Finger Dry

'Next, I'll use the t3 Featherweight hairdryer and dry Blake's hair just suing my fingers. If you use a cheap hairdryer it's going to dry your hair out and make it frizzy. If you invest in good products it'll help your hair stay healthy and shiny.'

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Rod Top Tip:

'The key is to keep the texture in your hair before you use a hair straightener or curling iron. It'll give your beachy wave way more volume.'

3. Blowdry With A Round Brush

'Blake has really great texture in her hair so I don't want to blowdry that out. I'll take a 2-inch-wide round brush and brush down the mid lengths to ends following with the hairdyer just to take a bit of frizz out. Do that all over in half inch sections.

Rod Top Tip:

'You don't want it to look too formal so take sections and blowdry them in different directions so it's not too neat.'

4. Hairspray Before You Curl

'Take some Elnett hairspray and spritz lightly all over. Leave it to dry, then brush it out. This helps build staying power into the hair instead of drowning it in hairspray afterwards.'

5. It's Curl Time

'Different size curling tongs create different looks. So for Blake's Hollywood waves at Cannes I used a bigger 2 inch barrel to create a looser, bigger wave. For her classic beachy waves, I used a 1 inch tong. I'm obsessed with T3's Whirl Trio that you lets you change the size of the barrel. I can do 20s, 80s, 2000s, that really sexy big tight 70s curls with it. If I had to travel with one thing it would be my T3 Whirl Trio. Leave some of the ends slightly straighter for a more casual finish.'

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Rod Top Tip:

'If your curl ends up too tight, don't panic. Take a small hair straightener and tap lightly over the curl to straighten it out.'

6. Add Some Shine

'To get a super shiny finish I'll take a drop of hair oil, rub it between my hands and pull through the mid lengths and end to get rid of any frizz. I don't like to use any gels or pomades, my philosophy is generally less is best. Hair should move!'

Rod Top Tip:

'If you've got dry hair, try using a silicone-free hair oil as it'll absorb much easier.'

7. Make It Last All Day

'The last thing I'll do is spritz the front of Blake's hair with a little more Elnett to smooth down any flyaways.'

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