37 of the top 48 confirmed:
1 Simona Halep ROU 1
2 Caroline Wozniacki DEN 2
3 Karolina Pliskova CZ 5
4 Jelena Ostapenko LAT 6
5 Petra Kvitova CZE 8
6 Julia Goerges GER 11
7 Angelique Kerber GER 12
8 Daria Kasatkina RUS 13
9 Kiki Bertens NED 15
10 Elise Mertens BEL 17
11 Ashleigh Barty AUS 18
12 Magdalena Rybarikova SVK 19
13 Anastasija Sevastova LAT 20
14 Naomi Osaka JPN 21
15 Johanna Konta GBR 22
16 Carla Suarez Navarro ESP 23
17 Daria Gavrilova AUS 24
18 Barbora Strycova CZE 25
19 Agnieska Radwanska POL 28
20 Anastasia Pavlyuchenkova RUS 29
21 Kristina Mladenovic FRA 30
22 Ekaterina Makarova RUS 31
23 Alize Cornet FRA 32
24 Mihaela Buzarnescu ROU 33
25 Dominika Cibulkova SVK 34
26 Shuai Peng CHN 35
27 Lesia Tsurenko UKR 37
28 Timea Babos HUN 38
29 Svetlana Kuznetsova RUS 39
30 Irina-Camelia Begu ROU 41
31 Maria Sakkari GRE 42
32 Sorana Cirstea ROU 43
33 Elena Vesnina RUS 44
34 Aryna Sabalenka BLR 45
35 Aleksandra Krunic SRB 46
36 Danielle Collins USA 47
37 Catherine Bellis USA 48
https://www.lta.org.uk/major-events/nature-valley-international/event-guide/player-entry-list/
1 Simona Halep ROU 1
2 Caroline Wozniacki DEN 2
3 Karolina Pliskova CZ 5
4 Jelena Ostapenko LAT 6
5 Petra Kvitova CZE 8
6 Julia Goerges GER 11
7 Angelique Kerber GER 12
8 Daria Kasatkina RUS 13
9 Kiki Bertens NED 15
10 Elise Mertens BEL 17
11 Ashleigh Barty AUS 18
12 Magdalena Rybarikova SVK 19
13 Anastasija Sevastova LAT 20
14 Naomi Osaka JPN 21
15 Johanna Konta GBR 22
16 Carla Suarez Navarro ESP 23
17 Daria Gavrilova AUS 24
18 Barbora Strycova CZE 25
19 Agnieska Radwanska POL 28
20 Anastasia Pavlyuchenkova RUS 29
21 Kristina Mladenovic FRA 30
22 Ekaterina Makarova RUS 31
23 Alize Cornet FRA 32
24 Mihaela Buzarnescu ROU 33
25 Dominika Cibulkova SVK 34
26 Shuai Peng CHN 35
27 Lesia Tsurenko UKR 37
28 Timea Babos HUN 38
29 Svetlana Kuznetsova RUS 39
30 Irina-Camelia Begu ROU 41
31 Maria Sakkari GRE 42
32 Sorana Cirstea ROU 43
33 Elena Vesnina RUS 44
34 Aryna Sabalenka BLR 45
35 Aleksandra Krunic SRB 46
36 Danielle Collins USA 47
37 Catherine Bellis USA 48
https://www.lta.org.uk/major-events/nature-valley-international/event-guide/player-entry-list/